US Bridges

Macon County Road over Mathews Slough

Good

Montgomery County, Alabama · 1.3 MI E of US 110 · Structure no. 007307

Built
1961
64 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
136 ft
4 main spans
Daily traffic
286
1988 count
Owner
County
County Highway Agency

About this bridge

Macon County Road over Mathews Slough is a concrete tee beam carrying Macon County Road over Mathews Slough in Montgomery County, Alabama. It was built in 1961, so it is 64 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 286 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2044. The structure is 136 ft (41.5 m) long and 25 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesMacon County Road
CrossesMathews Slough
Location1.3 MI E of US 110
RouteCounty Highway 2
CountyMontgomery County
StateAlabama
Coordinates32.3018, -85.98611
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.8 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length136 ft (41.5 m)
Longest span34 ft (10.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic286 (1988)
Projected traffic300 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$926,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Macon County Road over Mathews Slough built?

It was built in 1961, making it 64 years old in 2025.

What condition is Macon County 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 November 2024.

How much traffic does Macon County Road over Mathews Slough carry?

About 286 vehicles per day (1988 count), of which roughly 1% are trucks.

How long is Macon County Road over Mathews Slough?

The structure is 136 ft (41.5 m) long with a longest span of 34 ft (10.4 m) and a deck 25 ft wide.

Who owns Macon County Road over Mathews Slough?

It is owned by the County Highway Agency.