US Bridges

County HIGHWAY109 over Big Mud Creek

FairPosted for load

Marshall County, Alabama · 1823 Ft N JCT 1092 · Structure no. 001812

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
45 ft
3 main spans
Daily traffic
75
1994 count
Owner
County
County Highway Agency

About this bridge

County HIGHWAY109 over Big Mud Creek is a concrete channel beam carrying County HIGHWAY109 over Big Mud Creek in Marshall County, Alabama. It was built in 1970, so it is 55 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 125 by 2044. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty HIGHWAY109
CrossesBig Mud Creek
Location1823 Ft N JCT 1092
RouteCounty Highway 93
CountyMarshall County
StateAlabama
Coordinates34.16446, -86.28139
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating18.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (1994)
Projected traffic125 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$370,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County HIGHWAY109 over Big Mud Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is County HIGHWAY109 over Big Mud Creek 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 August 2024.

How much traffic does County HIGHWAY109 over Big Mud Creek carry?

About 75 vehicles per day (1994 count).

How long is County HIGHWAY109 over Big Mud Creek?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns County HIGHWAY109 over Big Mud Creek?

It is owned by the County Highway Agency.