US Bridges

SR 172 over Holcomb Branch

Fair

Franklin County, Alabama · 1.1 M E JCT SR172 & SR187 · Structure no. 016917

Built
1997
28 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
750
2025 count
Owner
State
State Highway Agency

About this bridge

SR 172 over Holcomb Branch is a concrete culvert carrying SR 172 over Holcomb Branch in Franklin County, Alabama. It was built in 1997, so it is 28 years old, younger 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 750 vehicles a day, roughly 10% of them trucks, projected to reach 915 by 2033. The structure is 22 ft (6.7 m) long and 41 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSR 172
CrossesHolcomb Branch
Location1.1 M E JCT SR172 & SR187
RouteState Highway 172
CountyFranklin County
StateAlabama
Coordinates34.31426, -87.91385
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating47.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2025)
Projected traffic915 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$322,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 172 over Holcomb Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR 172 over Holcomb 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 January 2025.

How much traffic does SR 172 over Holcomb Branch carry?

About 750 vehicles per day (2025 count), of which roughly 10% are trucks.

How long is SR 172 over Holcomb Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 41 ft wide.

Who owns SR 172 over Holcomb Branch?

It is owned by the State Highway Agency.