US Bridges

Mud Road T-460 over Idlewild Creek

Fair

Susquehanna County, Pennsylvania · 1/4 MI NE of Rt 106 · Structure no. 000000000057617

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mud Road T-460 over Idlewild Creek is a concrete culvert carrying Mud Road T-460 over Idlewild Creek in Susquehanna County, Pennsylvania. It was built in 1989, so it is 36 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 75 by 2040. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMud Road T-460
CrossesIdlewild Creek
Location1/4 MI NE of Rt 106
RouteCity Street 0
CountySusquehanna County
StatePennsylvania
Coordinates41.66628, -75.60939
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span1 ft (0.3 m)
Deck width30 ft (9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic75 by 2040
Trucks1%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mud Road T-460 over Idlewild Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mud Road T-460 over Idlewild 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 2024.

How much traffic does Mud Road T-460 over Idlewild Creek carry?

About 50 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Mud Road T-460 over Idlewild Creek?

The structure is 34 ft (10.4 m) long with a longest span of 1 ft (0.3 m) and a deck 30 ft wide.

Who owns Mud Road T-460 over Idlewild Creek?

It is owned by the Town or Township Highway Agency.