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lu?r, hlat[ iYoodrt�f: P,E. <br />Dctaher 15, 201� <br />Puge 2 of 4 <br />The conditiar� of the existing laridge is �;enerally consister�t with the �arnsey <br />County insp�ctian repor�s, T�e struct�re is load gosted an+� has anly about 113 <br />the nt�annal cap�city of a typical bridge design laading. <br />The bridge eo�asists <br />of a concrete slab <br />span s�apporF�d by <br />conerete abutrnents <br />an spz'ead foatings. <br />Ne design l�adin�, <br />is p�owidec� c�n the <br />plans. Accordina tc� <br />the bridge inven tc�r} <br />re�sort, the m�ast <br />r�cent load ratirr� <br />fctr the str�ct�re <br />w�s cond.ucted in <br />1981 but was not <br />a61e to be c�l�taine�i <br />at the time t�iis <br />t�ema was written. <br />Kirnrley-Hatzt di[1 l�igurc :�: 13rid�c 4G27 <br />nat perforr� a <br />struetural asa.alysis or �atin� af the existing bridge. <br />The co�acrete dec� is c�uere�i with a biti.itruna�s �verlay, whic� prevenfs direct <br />�isual obse�vation of the top of the slab. The bottom of t�se concrete slab is <br />�isible from �Selow and is generally in fair cand�iion exceps for a large spall at <br />znid-span c,n the west side of�e brid��. 'I'he reinforcing hars are expased and <br />�a�e significani co�rosion. T�ere is also sjralli�g around the deck dr�ins. Based <br />ugan �eld r�eas�rerne�ts cor�pared ta the plans, ther� anay be up to $-ir�ehes af <br />bituminous aver�ay on the str�xeture. <br />The abu#�nents az'e casi-in-place and supparted }ay spread footings. The <br />ab�tments are in fair conditian, with rr�i�4r surface spalling o� cracking. The <br />wingwalls extend at a 45-degree ar►gIe frcaFn the front face of ihe ab�tmexats and <br />on the s�a�'ed spread faot�g that extends ta the ends af these wa11s. The <br />wi�gwalls a�sv have minar spallitag an�i ctegra�iat�on. <br />E�aluation of the Exiating Structurc <br />The existing bridge i��s 84 years Qf service and is showing its a�e. While Iea*ving <br />t�e bridge does provide a less expensiVe praject �.nd wouPd nQt require chan�es ta <br />t�ee �ood insurance �naps, we cante�d the disad�antages of leaving t�e bridge in <br />place autweigh these consideraCior�s. <br />The b�idg� is load posted, �eaning that it does not have the capaeity to supg�ort <br />norm�l raadway loacis. �Qr the struct�sre to remain in service, it wiil require <br />continued load posting sia�c� strengthening of t�e structure is nr�t feasible. The <br />