US Bridges

Cherokee #15 over Mills Creek

Good

Cherokee County, Alabama · 9 MI N JCT SR 35 · Structure no. 013607

Built
1985
40 years old
Condition
Good
inspected December 2024
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
815
2020 count
Owner
County
County Highway Agency

About this bridge

Cherokee #15 over Mills Creek is a concrete channel beam carrying Cherokee #15 over Mills Creek in Cherokee County, Alabama. It was built in 1985, so it is 40 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 815 vehicles a day, roughly 15% of them trucks, projected to reach 950 by 2040. The structure is 68 ft (20.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCherokee #15
CrossesMills Creek
Location9 MI N JCT SR 35
RouteCounty Highway 15
StateAlabama
Coordinates34.46498, -85.50502
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating96 US tons
Inventory rating58 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic815 (2020)
Projected traffic950 by 2040
Trucks15%
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 proposedNone recorded
Estimated improvement cost$642,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cherokee #15 over Mills Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Cherokee #15 over Mills Creek 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 December 2024.

How much traffic does Cherokee #15 over Mills Creek carry?

About 815 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Cherokee #15 over Mills Creek?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Cherokee #15 over Mills Creek?

It is owned by the County Highway Agency.