US Bridges

Carter Hill RD over Drainage Relief

FairPosted for load

Montgomery County, Alabama · 3.7 MI N of US 82 · Structure no. 010745

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
62 ft
3 main spans
Daily traffic
425
1988 count
Owner
County
County Highway Agency

About this bridge

Carter Hill RD over Drainage Relief is a concrete channel beam carrying Carter Hill RD over Drainage Relief in Montgomery County, Alabama. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 425 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2045. The structure is 62 ft (18.9 m) long and 28 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesCarter Hill RD
CrossesDrainage Relief
Location3.7 MI N of US 82
RouteCounty Highway 12
CountyMontgomery County
StateAlabama
Coordinates32.222, -86.09096
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length62 ft (18.9 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (1988)
Projected traffic1,000 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$532,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Carter Hill RD over Drainage Relief built?

It was built in 1972, making it 53 years old in 2025.

What condition is Carter Hill RD over Drainage Relief 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 August 2023.

How much traffic does Carter Hill RD over Drainage Relief carry?

About 425 vehicles per day (1988 count), of which roughly 1% are trucks.

How long is Carter Hill RD over Drainage Relief?

The structure is 62 ft (18.9 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns Carter Hill RD over Drainage Relief?

It is owned by the County Highway Agency.