US Bridges

Merrittstown Road over Dunlap Creek

Good

Fayette County, Pennsylvania · Near Merrittstown · Structure no. 000000000043196

Built
2004
21 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
672
2021 count
Owner
County
County Highway Agency

About this bridge

Merrittstown Road over Dunlap Creek is a prestressed concrete box beam or girders - multiple carrying Merrittstown Road over Dunlap Creek in Fayette County, Pennsylvania. It was built in 2004, so it is 21 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 672 vehicles a day, roughly 5% of them trucks, projected to reach 806 by 2041. The structure is 52 ft (15.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMerrittstown Road
CrossesDunlap Creek
LocationNear Merrittstown
RouteCity Street 0T401
Coordinates39.96735, -79.88626
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span49 ft (14.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic672 (2021)
Projected traffic806 by 2041
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Merrittstown Road over Dunlap Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Merrittstown Road over Dunlap Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Merrittstown Road over Dunlap Creek carry?

About 672 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Merrittstown Road over Dunlap Creek?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.

Who owns Merrittstown Road over Dunlap Creek?

It is owned by the County Highway Agency.