US Bridges

SR 4003 over Dunlap Creek

PoorClosed to traffic

Fayette County, Pennsylvania · Brownsville Borough · Structure no. 000000000016958

Built
1839
186 years old, rebuilt 1981
Condition
Poor
inspected October 2023
Type
Arch - Deck
Aluminum, Wrought Iron, or Cast Iron
Length
84 ft
1 main span
Daily traffic
6,661
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4003 over Dunlap Creek is a aluminum, wrought iron, or cast iron arch - deck carrying SR 4003 over Dunlap Creek in Fayette County, Pennsylvania. It was built in 1839 and reconstructed in 1981, so it is 186 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 6,661 vehicles a day, roughly 3% of them trucks, projected to reach 8,731 by 2032. The structure is 84 ft (25.6 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 4003
CrossesDunlap Creek
LocationBrownsville Borough
RouteState Highway 0
Coordinates40.02153, -79.88798
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeArch - Deck
MaterialAluminum, Wrought Iron, or Cast Iron
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length84 ft (25.6 m)
Longest span82 ft (25 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,661 (2024)
Projected traffic8,731 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$297,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4003 over Dunlap Creek built?

It was built in 1839, making it 186 years old in 2025. It was reconstructed in 1981.

What condition is SR 4003 over Dunlap Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does SR 4003 over Dunlap Creek carry?

About 6,661 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 4003 over Dunlap Creek?

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 25 ft wide.

Who owns SR 4003 over Dunlap Creek?

It is owned by the State Highway Agency.