US Bridges

T578 Fish Hatchery over Dunning Creek

FairPosted for load

Bedford County, Pennsylvania · 3 Mi.W.Of Osterburg · Structure no. 000000000004492

Built
1883
142 years old, rebuilt 1994
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

T578 Fish Hatchery over Dunning Creek is a steel stringer/multi-beam or girder carrying T578 Fish Hatchery over Dunning Creek in Bedford County, Pennsylvania. It was built in 1883 and reconstructed in 1994, so it is 142 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 125 by 2044. The structure is 84 ft (25.6 m) long and 13 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesT578 Fish Hatchery
CrossesDunning Creek
Location3 Mi.W.Of Osterburg
RouteCity Street 0
CountyBedford County
StatePennsylvania
Coordinates40.1692, -78.57961
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating22 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length84 ft (25.6 m)
Longest span78 ft (23.8 m)
Deck width13 ft (3.9 m)
Roadway width10 ft (3.1 m)
Vertical clearance over deck11 ft (3.4 m)

Traffic and service

Average daily traffic100 (2024)
Projected traffic125 by 2044
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T578 Fish Hatchery over Dunning Creek built?

It was built in 1883, making it 142 years old in 2025. It was reconstructed in 1994.

What condition is T578 Fish Hatchery over Dunning 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 October 2023.

How much traffic does T578 Fish Hatchery over Dunning Creek carry?

About 100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is T578 Fish Hatchery over Dunning Creek?

The structure is 84 ft (25.6 m) long with a longest span of 78 ft (23.8 m) and a deck 13 ft wide.

Who owns T578 Fish Hatchery over Dunning Creek?

It is owned by the County Highway Agency.