US Bridges

T-351 Water ST Ex over Little Mill Creek

Fair

Elk County, Pennsylvania · Water St. Extension · Structure no. 000000000040605

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
681
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-351 Water ST Ex over Little Mill Creek is a concrete culvert carrying T-351 Water ST Ex over Little Mill Creek in Elk County, Pennsylvania. It was built in 1999, so it is 26 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 681 vehicles a day, roughly 5% of them trucks, projected to reach 874 by 2041. The structure is 20 ft (6.1 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesT-351 Water ST Ex
CrossesLittle Mill Creek
LocationWater St. Extension
RouteCity Street 0
Coordinates41.5013, -78.7288
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic681 (2021)
Projected traffic874 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollToll bridge
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T-351 Water ST Ex over Little Mill Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is T-351 Water ST Ex over Little Mill 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 September 2023.

How much traffic does T-351 Water ST Ex over Little Mill Creek carry?

About 681 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is T-351 Water ST Ex over Little Mill Creek?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns T-351 Water ST Ex over Little Mill Creek?

It is owned by the Town or Township Highway Agency.