US Bridges

T454 Lwr Clover C over Clover Creek

Fair

Blair County, Pennsylvania · 1.5 Mi.Se.Of Williamsburg · Structure no. 000000000005971

Built
1908
117 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Concrete
Length
76 ft
1 main span
Daily traffic
218
2023 count
Owner
County
County Highway Agency

About this bridge

T454 Lwr Clover C over Clover Creek is a concrete arch - deck carrying T454 Lwr Clover C over Clover Creek in Blair County, Pennsylvania. It was built in 1908, so it is 117 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 218 vehicles a day, roughly 1% of them trucks, projected to reach 273 by 2043. The structure is 76 ft (23.2 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT454 Lwr Clover C
CrossesClover Creek
Location1.5 Mi.Se.Of Williamsburg
RouteCity Street 0
Coordinates40.44136, -78.18202
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span76 ft (23.2 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic218 (2023)
Projected traffic273 by 2043
Trucks1%
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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was T454 Lwr Clover C over Clover Creek built?

It was built in 1908, making it 117 years old in 2025.

What condition is T454 Lwr Clover C over Clover 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 November 2023.

How much traffic does T454 Lwr Clover C over Clover Creek carry?

About 218 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T454 Lwr Clover C over Clover Creek?

The structure is 76 ft (23.2 m) long with a longest span of 76 ft (23.2 m) and a deck 20 ft wide.

Who owns T454 Lwr Clover C over Clover Creek?

It is owned by the County Highway Agency.