US Bridges

Twp- over Buffalo Creek

Good

Union County, Pennsylvania · N. 3rd Str Mifflinburg · Structure no. 000000000054302

Built
2017
8 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
73 ft
1 main span
Daily traffic
237
2023 count
Owner
County
County Highway Agency

About this bridge

Twp- over Buffalo Creek is a concrete box beam or girders - multiple carrying Twp- over Buffalo Creek in Union County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 237 vehicles a day, projected to reach 367 by 2045. The structure is 73 ft (22.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTwp-
CrossesBuffalo Creek
LocationN. 3rd Str Mifflinburg
RouteCity Street 0
Coordinates40.92585, -77.0465
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating40.3 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span72 ft (21.9 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic237 (2023)
Projected traffic367 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Twp- over Buffalo Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Twp- over Buffalo 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 March 2023.

How much traffic does Twp- over Buffalo Creek carry?

About 237 vehicles per day (2023 count).

How long is Twp- over Buffalo Creek?

The structure is 73 ft (22.3 m) long with a longest span of 72 ft (21.9 m) and a deck 28 ft wide.

Who owns Twp- over Buffalo Creek?

It is owned by the County Highway Agency.