US Bridges

SR 0021 over Muddy Creek

Fair

Greene County, Pennsylvania · Cumberland Township · Structure no. 000000000018096

Built
1930
95 years old, rebuilt 1982
Condition
Fair
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
84 ft
1 main span
Daily traffic
8,665
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0021 over Muddy Creek is a steel girder and floorbeam system carrying SR 0021 over Muddy Creek in Greene County, Pennsylvania. It was built in 1930 and reconstructed in 1982, 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 8,665 vehicles a day, roughly 16% of them trucks, projected to reach 9,852 by 2032. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 0021
CrossesMuddy Creek
LocationCumberland Township
RouteState Highway 21
CountyGreene County
StatePennsylvania
Coordinates39.87723, -79.99938
Functional classRural Principal Arterial - Other

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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating59 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span80 ft (24.4 m)
Deck width33 ft (10.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,665 (2024)
Projected traffic9,852 by 2032
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$213,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0021 over Muddy Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1982.

What condition is SR 0021 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 August 2024.

How much traffic does SR 0021 over Muddy Creek carry?

About 8,665 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is SR 0021 over Muddy Creek?

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.

Who owns SR 0021 over Muddy Creek?

It is owned by the State Highway Agency.