US Bridges

Flowers Road over Mathews Slough

Good

Montgomery County, Alabama · 2.9 MI N of Bullockcoline · Structure no. 014231

Built
1987
38 years old
Condition
Good
inspected July 2023
Type
Channel Beam
Concrete
Length
48 ft
2 main spans
Daily traffic
195
1988 count
Owner
County
County Highway Agency

About this bridge

Flowers Road over Mathews Slough is a concrete channel beam carrying Flowers Road over Mathews Slough in Montgomery County, Alabama. It was built in 1987, so it is 38 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 195 vehicles a day, roughly 1% of them trucks, projected to reach 250 by 2041. The structure is 48 ft (14.6 m) long and 31 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesFlowers Road
CrossesMathews Slough
Location2.9 MI N of Bullockcoline
RouteCounty Highway 37
StateAlabama
Coordinates32.27756, -86.00817
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.4 US tons
Inventory rating48.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195 (1988)
Projected traffic250 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed16.2 mi (26 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$499,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Flowers Road over Mathews Slough built?

It was built in 1987, making it 38 years old in 2025.

What condition is Flowers Road over Mathews Slough 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 2023.

How much traffic does Flowers Road over Mathews Slough carry?

About 195 vehicles per day (1988 count), of which roughly 1% are trucks.

How long is Flowers Road over Mathews Slough?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns Flowers Road over Mathews Slough?

It is owned by the County Highway Agency.