US Bridges

Brownfield RD T620 over Redstone Creek

Fair

Fayette County, Pennsylvania · South of Hatfield · Structure no. 000000000017135

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
1,100
2004 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Brownfield RD T620 over Redstone Creek is a concrete slab carrying Brownfield RD T620 over Redstone Creek in Fayette County, Pennsylvania. It was built in 1978, so it is 47 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 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 1,540 by 2023. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBrownfield RD T620
CrossesRedstone Creek
LocationSouth of Hatfield
RouteCity Street 0T620
Coordinates39.87417, -79.72114
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2004)
Projected traffic1,540 by 2023
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Brownfield RD T620 over Redstone Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Brownfield RD T620 over Redstone 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 April 2024.

How much traffic does Brownfield RD T620 over Redstone Creek carry?

About 1,100 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is Brownfield RD T620 over Redstone Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns Brownfield RD T620 over Redstone Creek?

It is owned by the Town or Township Highway Agency.