US Bridges

County Road NO97 over Thomas Mill Creek

FairPosted for load

Henry County, Alabama · Rc Bridge on FAS RT21 · Structure no. 007281

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
1 main span
Daily traffic
1,000
2014 count
Owner
County
County Highway Agency

About this bridge

County Road NO97 over Thomas Mill Creek is a steel stringer/multi-beam or girder carrying County Road NO97 over Thomas Mill Creek in Henry 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 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,200 by 2034. The structure is 212 ft (64.6 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCounty Road NO97
CrossesThomas Mill Creek
LocationRc Bridge on FAS RT21
RouteCounty Highway 97
CountyHenry County
StateAlabama
Coordinates31.70372, -85.15303
Functional classRural Major Collector

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.
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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.4 US tons
Inventory rating23.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 15
Structure length212 ft (64.6 m)
Longest span55 ft (16.8 m)
Deck width26 ft (8 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2014)
Projected traffic1,200 by 2034
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road NO97 over Thomas Mill Creek built?

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

What condition is County Road NO97 over Thomas Mill 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 November 2024.

How much traffic does County Road NO97 over Thomas Mill Creek carry?

About 1,000 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is County Road NO97 over Thomas Mill Creek?

The structure is 212 ft (64.6 m) long with a longest span of 55 ft (16.8 m) and a deck 26 ft wide.

Who owns County Road NO97 over Thomas Mill Creek?

It is owned by the County Highway Agency.