US Bridges

Underwood Road over Garman Branch

Good

Franklin County, Alabama · 0.3 MI W JCT US 43 · Structure no. 014945

Built
1989
36 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
5,060
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Underwood Road over Garman Branch is a concrete culvert carrying Underwood Road over Garman Branch in Franklin County, Alabama. It was built in 1989, so it is 36 years old, younger 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 5,060 vehicles a day, roughly 10% of them trucks, projected to reach 8,290 by 2030. The structure is 32 ft (9.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUnderwood Road
CrossesGarman Branch
Location0.3 MI W JCT US 43
RouteState Highway 0
StateAlabama
Coordinates34.51302, -87.72247
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,060 (2003)
Projected traffic8,290 by 2030
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost$420,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Underwood Road over Garman Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is Underwood Road over Garman Branch 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 February 2025.

How much traffic does Underwood Road over Garman Branch carry?

About 5,060 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Underwood Road over Garman Branch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 39 ft wide.

Who owns Underwood Road over Garman Branch?

It is owned by the City or Municipal Highway Agency.