US Bridges

Overhill Road over Little Lehigh Creek

Fair

Lehigh County, Pennsylvania · City of Allentown · Structure no. 000000000023498

Built
1931
94 years old, rebuilt 1984
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete
Length
86 ft
1 main span
Daily traffic
500
1985 count
Owner
City
City or Municipal Highway Agency

About this bridge

Overhill Road over Little Lehigh Creek is a concrete arch - deck carrying Overhill Road over Little Lehigh Creek in Lehigh County, Pennsylvania. It was built in 1931 and reconstructed in 1984, so it is 94 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 500 vehicles a day, roughly 1% of them trucks, projected to reach 2,700 by 2030. The structure is 86 ft (26.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOverhill Road
CrossesLittle Lehigh Creek
LocationCity of Allentown
RouteCity Street 0
Coordinates40.58808, -75.48787
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span86 ft (26.2 m)
Deck width30 ft (9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1985)
Projected traffic2,700 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Overhill Road over Little Lehigh Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1984.

What condition is Overhill Road over Little Lehigh Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Overhill Road over Little Lehigh Creek carry?

About 500 vehicles per day (1985 count), of which roughly 1% are trucks.

How long is Overhill Road over Little Lehigh Creek?

The structure is 86 ft (26.2 m) long with a longest span of 86 ft (26.2 m) and a deck 30 ft wide.

Who owns Overhill Road over Little Lehigh Creek?

It is owned by the City or Municipal Highway Agency.