US Bridges

Mardis Mill Road over Graves Creek

Fair

Blount County, Alabama · 3 MI SW of Blountsville · Structure no. 003322

Built
1948
77 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
52 ft
2 main spans
Daily traffic
190
2023 count
Owner
County
County Highway Agency

About this bridge

Mardis Mill Road over Graves Creek is a steel continuous stringer/multi-beam or girder carrying Mardis Mill Road over Graves Creek in Blount County, Alabama. It was built in 1948, so it is 77 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.

It carries about 190 vehicles a day, roughly 1% of them trucks, projected to reach 283 by 2043. The structure is 52 ft (15.8 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMardis Mill Road
CrossesGraves Creek
Location3 MI SW of Blountsville
RouteCounty Highway 95
StateAlabama
Coordinates34.04498, -86.57204
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating98 US tons
Inventory rating82.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span28 ft (8.5 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2023)
Projected traffic283 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$257,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mardis Mill Road over Graves Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Mardis Mill Road over Graves 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 October 2023.

How much traffic does Mardis Mill Road over Graves Creek carry?

About 190 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Mardis Mill Road over Graves Creek?

The structure is 52 ft (15.8 m) long with a longest span of 28 ft (8.5 m) and a deck 16 ft wide.

Who owns Mardis Mill Road over Graves Creek?

It is owned by the County Highway Agency.