US Bridges

Medders Drive over Unknown Tributary

Fair

Calhoun County, Alabama · Medders DR · Structure no. 018785

Built
2002
23 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
74 ft
3 main spans
Daily traffic
196
2019 count
Owner
County
County Highway Agency

About this bridge

Medders Drive over Unknown Tributary is a concrete culvert carrying Medders Drive over Unknown Tributary in Calhoun County, Alabama. It was built in 2002, so it is 23 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 196 vehicles a day, roughly 2% of them trucks, projected to reach 322 by 2044. The structure is 74 ft (22.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMedders Drive
CrossesUnknown Tributary
LocationMedders DR
RouteCounty Highway 0
StateAlabama
Coordinates33.72099, -85.83208
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating26.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2019)
Projected traffic322 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$879,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Medders Drive over Unknown Tributary built?

It was built in 2002, making it 23 years old in 2025.

What condition is Medders Drive over Unknown Tributary 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 March 2024.

How much traffic does Medders Drive over Unknown Tributary carry?

About 196 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Medders Drive over Unknown Tributary?

The structure is 74 ft (22.6 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns Medders Drive over Unknown Tributary?

It is owned by the County Highway Agency.