US Bridges

T-674 N Market ST over Muddy Creek

Fair

Greene County, Pennsylvania · North of Carmichaels · Structure no. 000000000018491

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
100
1993 count
Owner
County
County Highway Agency

About this bridge

T-674 N Market ST over Muddy Creek is a steel stringer/multi-beam or girder carrying T-674 N Market ST over Muddy Creek in Greene County, Pennsylvania. It was built in 1994, so it is 31 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 100 vehicles a day, roughly 30% of them trucks, projected to reach 300 by 2020. The structure is 84 ft (25.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesT-674 N Market ST
CrossesMuddy Creek
LocationNorth of Carmichaels
RouteCity Street 0T674
CountyGreene County
StatePennsylvania
Coordinates39.89856, -79.97673
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum 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 alignment6: Equal to present minimum criteria
Operating rating66 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length84 ft (25.6 m)
Longest span82 ft (25 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1993)
Projected traffic300 by 2020
Trucks30%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$650,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-674 N Market ST over Muddy Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is T-674 N Market ST over Muddy 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 July 2024.

How much traffic does T-674 N Market ST over Muddy Creek carry?

About 100 vehicles per day (1993 count), of which roughly 30% are trucks.

How long is T-674 N Market ST over Muddy Creek?

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 26 ft wide.

Who owns T-674 N Market ST over Muddy Creek?

It is owned by the County Highway Agency.