US Bridges

Fairmount Street over Trib.To Saucon Creek

Fair

Lehigh County, Pennsylvania · West of Main St. · Structure no. 000000000023529

Built
1977
48 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
410
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fairmount Street over Trib.To Saucon Creek is a concrete slab carrying Fairmount Street over Trib.To Saucon Creek in Lehigh County, Pennsylvania. It was built in 1977, so it is 48 years old, younger 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 6 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 410 vehicles a day, roughly 1% of them trucks, projected to reach 550 by 2030. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFairmount Street
CrossesTrib.To Saucon Creek
LocationWest of Main St.
RouteCity Street 0
Coordinates40.51583, -75.39107
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width32 ft (9.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2010)
Projected traffic550 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollToll bridge
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fairmount Street over Trib.To Saucon Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Fairmount Street over Trib.To Saucon 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 June 2024.

How much traffic does Fairmount Street over Trib.To Saucon Creek carry?

About 410 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Fairmount Street over Trib.To Saucon Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 32 ft wide.

Who owns Fairmount Street over Trib.To Saucon Creek?

It is owned by the City or Municipal Highway Agency.