US Bridges

Al 139 over NS RR Active

Fair

Bibb County, Alabama · Ashby · Structure no. 006387

Built
1958
67 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
178 ft
5 main spans
Daily traffic
1,702
2020 count
Owner
State
State Highway Agency

About this bridge

Al 139 over NS RR Active is a concrete tee beam carrying Al 139 over NS RR Active in Bibb County, Alabama. It was built in 1958, so it is 67 years old, older than the Alabama average of 51.1 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 1,702 vehicles a day, roughly 8% of them trucks, projected to reach 2,292 by 2040. The structure is 178 ft (54.3 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesAl 139
CrossesNS RR Active
LocationAshby
RouteState Highway 139
CountyBibb County
StateAlabama
Coordinates33.0146, -86.9136
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.5 US tons
Inventory rating32.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length178 ft (54.3 m)
Longest span42 ft (12.8 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,702 (2020)
Projected traffic2,292 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.3 mi (23 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 proposedNone recorded
Estimated improvement cost$1.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Al 139 over NS RR Active built?

It was built in 1958, making it 67 years old in 2025.

What condition is Al 139 over NS RR Active 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 April 2023.

How much traffic does Al 139 over NS RR Active carry?

About 1,702 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Al 139 over NS RR Active?

The structure is 178 ft (54.3 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns Al 139 over NS RR Active?

It is owned by the State Highway Agency.