US Bridges

T-847 over Mill Creek

Fair

Lycoming County, Pennsylvania · 1.9 MI NW of Warrensville · Structure no. 000000000025068

Built
1930
95 years old, rebuilt 2017
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
1 main span
Daily traffic
80
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-847 over Mill Creek is a steel stringer/multi-beam or girder carrying T-847 over Mill Creek in Lycoming County, Pennsylvania. It was built in 1930 and reconstructed in 2017, so it is 95 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 5 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 80 vehicles a day, projected to reach 124 by 2045. The structure is 61 ft (18.6 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesT-847
CrossesMill Creek
Location1.9 MI NW of Warrensville
RouteCity Street 0
CountyLycoming County
StatePennsylvania
Coordinates41.34566, -76.97183
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating51 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span49 ft (14.9 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic124 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$137,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-847 over Mill Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2017.

What condition is T-847 over Mill 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 September 2023.

How much traffic does T-847 over Mill Creek carry?

About 80 vehicles per day (2023 count).

How long is T-847 over Mill Creek?

The structure is 61 ft (18.6 m) long with a longest span of 49 ft (14.9 m) and a deck 21 ft wide.

Who owns T-847 over Mill Creek?

It is owned by the Town or Township Highway Agency.