US Bridges

SR 408 Thompson ST over Thompson Creek

Good

Crawford County, Pennsylvania · Hydetown Borough · Structure no. 000000000053573

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
1,990
2024 count
Owner
State
State Highway Agency

About this bridge

SR 408 Thompson ST over Thompson Creek is a prestressed concrete box beam or girders - multiple carrying SR 408 Thompson ST over Thompson Creek in Crawford County, Pennsylvania. It was built in 2016, so it is 9 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 1,990 vehicles a day, roughly 6% of them trucks, projected to reach 2,022 by 2037. The structure is 82 ft (25 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 408 Thompson ST
CrossesThompson Creek
LocationHydetown Borough
RouteState Highway 408
Coordinates41.65144, -79.72582
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (25 m)
Longest span78 ft (23.8 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2024)
Projected traffic2,022 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
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 SR 408 Thompson ST over Thompson Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 408 Thompson ST over Thompson 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 June 2024.

How much traffic does SR 408 Thompson ST over Thompson Creek carry?

About 1,990 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 408 Thompson ST over Thompson Creek?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 44 ft wide.

Who owns SR 408 Thompson ST over Thompson Creek?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).