US Bridges

Oak Grove RD over Hess Spring Branch

Fair

Madison County, Alabama · 0.25 MI North CO RD1164 · Structure no. 001673

Built
1937
88 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
487
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oak Grove RD over Hess Spring Branch is a concrete culvert carrying Oak Grove RD over Hess Spring Branch in Madison County, Alabama. It was built in 1937, so it is 88 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 487 vehicles a day, roughly 1% of them trucks, projected to reach 591 by 2035. The structure is 34 ft (10.4 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesOak Grove RD
CrossesHess Spring Branch
Location0.25 MI North CO RD1164
RouteCity Street 377
CountyMadison County
StateAlabama
Coordinates34.53748, -86.44787
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length34 ft (10.4 m)
Longest span17 ft (5.2 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic487 (2006)
Projected traffic591 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$229,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oak Grove RD over Hess Spring Branch built?

It was built in 1937, making it 88 years old in 2025.

What condition is Oak Grove RD over Hess Spring Branch 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 October 2024.

How much traffic does Oak Grove RD over Hess Spring Branch carry?

About 487 vehicles per day (2006 count), of which roughly 1% are trucks.

How long is Oak Grove RD over Hess Spring Branch?

The structure is 34 ft (10.4 m) long with a longest span of 17 ft (5.2 m) and a deck 22 ft wide.

Who owns Oak Grove RD over Hess Spring Branch?

It is owned by the City or Municipal Highway Agency.