US Bridges

Hickory Grove Rd. over Drainage Relief

Good

Montgomery County, Alabama · 6.2 MI E U.S.31 · Structure no. 010294

Built
1970
55 years old
Condition
Good
inspected January 2024
Type
Channel Beam
Concrete
Length
120 ft
5 main spans
Daily traffic
125
1988 count
Owner
County
County Highway Agency

About this bridge

Hickory Grove Rd. over Drainage Relief is a concrete channel beam carrying Hickory Grove Rd. over Drainage Relief in Montgomery County, Alabama. It was built in 1970, so it is 55 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2044. The structure is 120 ft (36.6 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHickory Grove Rd.
CrossesDrainage Relief
Location6.2 MI E U.S.31
RouteCounty Highway 12
StateAlabama
Coordinates32.05209, -86.30934
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57 US tons
Inventory rating34.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length120 ft (36.6 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (1988)
Projected traffic200 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 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$899,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hickory Grove Rd. over Drainage Relief built?

It was built in 1970, making it 55 years old in 2025.

What condition is Hickory Grove Rd. over Drainage Relief in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Hickory Grove Rd. over Drainage Relief carry?

About 125 vehicles per day (1988 count), of which roughly 1% are trucks.

How long is Hickory Grove Rd. over Drainage Relief?

The structure is 120 ft (36.6 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Hickory Grove Rd. over Drainage Relief?

It is owned by the County Highway Agency.