US Bridges

Mill Road over Little Mahantango Creek

Fair

Schuylkill County, Pennsylvania · T-472 U.Mahantango Twp. · Structure no. 000000000030950

Built
1973
52 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
500
1985 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mill Road over Little Mahantango Creek is a concrete slab carrying Mill Road over Little Mahantango Creek in Schuylkill County, Pennsylvania. It was built in 1973, so it is 52 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 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 500 vehicles a day, roughly 1% of them trucks, projected to reach 700 by 2005. The structure is 32 ft (9.8 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMill Road
CrossesLittle Mahantango Creek
LocationT-472 U.Mahantango Twp.
RouteCity Street 0
CountySchuylkill County
StatePennsylvania
Coordinates40.69973, -76.58206
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span27 ft (8.2 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (1985)
Projected traffic700 by 2005
Trucks1%
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$37,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Road over Little Mahantango Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Mill Road over Little 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 November 2023.

How much traffic does Mill Road over Little Mahantango Creek carry?

About 500 vehicles per day (1985 count), of which roughly 1% are trucks.

How long is Mill Road over Little Mahantango Creek?

The structure is 32 ft (9.8 m) long with a longest span of 27 ft (8.2 m) and a deck 23 ft wide.

Who owns Mill Road over Little Mahantango Creek?

It is owned by the Town or Township Highway Agency.