US Bridges

Flanagan Road over Dobbins Branch

Good

Limestone County, Alabama · Sec 29 T1S R6W · Structure no. 019189

Built
2004
21 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
50 ft
4 main spans
Daily traffic
519
2014 count
Owner
County
County Highway Agency

About this bridge

Flanagan Road over Dobbins Branch is a concrete culvert carrying Flanagan Road over Dobbins Branch in Limestone County, Alabama. It was built in 2004, so it is 21 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 519 vehicles a day, roughly 6% of them trucks, projected to reach 773 by 2034. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFlanagan Road
CrossesDobbins Branch
LocationSec 29 T1S R6W
RouteCounty Highway 1
CountyLimestone County
StateAlabama
Coordinates34.93537, -87.19039
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating88.6 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic519 (2014)
Projected traffic773 by 2034
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$448,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Flanagan Road over Dobbins Branch built?

It was built in 2004, making it 21 years old in 2025.

What condition is Flanagan Road over Dobbins 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 July 2024.

How much traffic does Flanagan Road over Dobbins Branch carry?

About 519 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is Flanagan Road over Dobbins Branch?

The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Flanagan Road over Dobbins Branch?

It is owned by the County Highway Agency.