US Bridges

County Road 15 over Benson Creek

Good

Chilton County, Alabama · CR15 .5 M SE Isabella Sch · Structure no. 017296

Built
1998
27 years old
Condition
Good
inspected January 2024
Type
Channel Beam
Concrete
Length
170 ft
5 main spans
Daily traffic
940
1997 count
Owner
County
County Highway Agency

About this bridge

County Road 15 over Benson Creek is a concrete channel beam carrying County Road 15 over Benson Creek in Chilton County, Alabama. It was built in 1998, so it is 27 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 940 vehicles a day, projected to reach 1,400 by 2030. The structure is 170 ft (51.8 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Road 15
CrossesBenson Creek
LocationCR15 .5 M SE Isabella Sch
RouteCounty Highway 0
CountyChilton County
StateAlabama
Coordinates32.82436, -86.77905
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating79 US tons
Inventory rating47.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (1997)
Projected traffic1,400 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 15 over Benson Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is County Road 15 over Benson 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 January 2024.

How much traffic does County Road 15 over Benson Creek carry?

About 940 vehicles per day (1997 count).

How long is County Road 15 over Benson Creek?

The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns County Road 15 over Benson Creek?

It is owned by the County Highway Agency.