US Bridges

County 17 over Six Mile Creek

GoodPosted for load

Bibb County, Alabama · 1.5MI S of Six MILECO.17 · Structure no. 009648

Built
1968
57 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Concrete
Length
306 ft
9 main spans
Daily traffic
166
1989 count
Owner
County
County Highway Agency

About this bridge

County 17 over Six Mile Creek is a concrete tee beam carrying County 17 over Six Mile Creek in Bibb County, Alabama. It was built in 1968, so it is 57 years old, older 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. Its operating status is: posted for load restriction.

It carries about 166 vehicles a day, roughly 20% of them trucks, projected to reach 200 by 2030. The structure is 306 ft (93.3 m) long and 29 ft wide.

CarriesCounty 17
CrossesSix Mile Creek
Location1.5MI S of Six MILECO.17
RouteCounty Highway 17
StateAlabama
Coordinates32.99939, -86.99401
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating38.7 US tons
Inventory rating23.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length306 ft (93.3 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (1989)
Projected traffic200 by 2030
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$2.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County 17 over Six Mile Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is County 17 over Six Mile 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 County 17 over Six Mile Creek carry?

About 166 vehicles per day (1989 count), of which roughly 20% are trucks.

How long is County 17 over Six Mile Creek?

The structure is 306 ft (93.3 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns County 17 over Six Mile Creek?

It is owned by the County Highway Agency.