US Bridges

W. Perry Twp. T349 over W. Br. Mahantango Creek

Fair

Snyder County, Pennsylvania · 0.5 MI SE of Richfield · Structure no. 000000000031317

Built
1946
79 years old, rebuilt 2012
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
50
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

W. Perry Twp. T349 over W. Br. Mahantango Creek is a steel stringer/multi-beam or girder carrying W. Perry Twp. T349 over W. Br. Mahantango Creek in Snyder County, Pennsylvania. It was built in 1946 and reconstructed in 2012, so it is 79 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.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 77 by 2031. The structure is 31 ft (9.4 m) long and 17 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesW. Perry Twp. T349
CrossesW. Br. Mahantango Creek
Location0.5 MI SE of Richfield
RouteCity Street 0
CountySnyder County
StatePennsylvania
Coordinates40.68363, -77.09823
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2009)
Projected traffic77 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$807,000
NavigationNo navigation control on waterway

Frequently asked questions

When was W. Perry Twp. T349 over W. Br. Mahantango Creek built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 2012.

What condition is W. Perry Twp. T349 over W. Br. Mahantango 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 W. Perry Twp. T349 over W. Br. Mahantango Creek carry?

About 50 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is W. Perry Twp. T349 over W. Br. Mahantango Creek?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 17 ft wide.

Who owns W. Perry Twp. T349 over W. Br. Mahantango Creek?

It is owned by the Town or Township Highway Agency.