US Bridges

SR 4007 (lr 53086) over Little Mahanoy Creek

Poor

Schuylkill County, Pennsylvania · Mcknight Street · Structure no. 000000000030818

Built
1940
85 years old, rebuilt 1980
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
1,996
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4007 (lr 53086) over Little Mahanoy Creek is a steel stringer/multi-beam or girder carrying SR 4007 (lr 53086) over Little Mahanoy Creek in Schuylkill County, Pennsylvania. It was built in 1940 and reconstructed in 1980, so it is 85 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,996 vehicles a day, roughly 4% of them trucks, projected to reach 2,905 by 2032. The structure is 29 ft (8.8 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 4007 (lr 53086)
CrossesLittle Mahanoy Creek
LocationMcknight Street
RouteState Highway 0
Coordinates40.75413, -76.34261
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,996 (2024)
Projected traffic2,905 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4007 (lr 53086) over Little Mahanoy Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1980.

What condition is SR 4007 (lr 53086) over Little Mahanoy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does SR 4007 (lr 53086) over Little Mahanoy Creek carry?

About 1,996 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 4007 (lr 53086) over Little Mahanoy Creek?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 36 ft wide.

Who owns SR 4007 (lr 53086) over Little Mahanoy Creek?

It is owned by the State Highway Agency.