US Bridges

Twin Bridge LN Ex over E. Br. White Clay Creek

Good

Chester County, Pennsylvania · At Clay Creek RD 3910-E3 · Structure no. 000000000045930

Built
1998
27 years old
Condition
Good
inspected January 2023
Type
Culvert
Steel
Length
28 ft
1 main span
Daily traffic
250
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Twin Bridge LN Ex over E. Br. White Clay Creek is a steel culvert carrying Twin Bridge LN Ex over E. Br. White Clay Creek in Chester County, Pennsylvania. It was built in 1998, so it is 27 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 300 by 2037. The structure is 28 ft (8.5 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTwin Bridge LN Ex
CrossesE. Br. White Clay Creek
LocationAt Clay Creek RD 3910-E3
RouteCity Street 0
Coordinates39.79539, -75.782
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width21 ft (6.3 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2017)
Projected traffic300 by 2037
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
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 Twin Bridge LN Ex over E. Br. White Clay Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Twin Bridge LN Ex over E. Br. White Clay 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 January 2023.

How much traffic does Twin Bridge LN Ex over E. Br. White Clay Creek carry?

About 250 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Twin Bridge LN Ex over E. Br. White Clay Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 21 ft wide.

Who owns Twin Bridge LN Ex over E. Br. White Clay Creek?

It is owned by the Town or Township Highway Agency.