US Bridges

CR 51 over I-65 (mp 220.7)

Good

Chilton County, Alabama · 1.5 MI N JCT CO RD 42 · Structure no. 006457

Built
1959
66 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
283 ft
4 main spans
Daily traffic
350
2008 count
Owner
State
State Highway Agency

About this bridge

CR 51 over I-65 (mp 220.7) is a concrete continuous tee beam carrying CR 51 over I-65 (mp 220.7) in Chilton County, Alabama. It was built in 1959, so it is 66 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.

It carries about 350 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2028. The structure is 283 ft (86.3 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 51
CrossesI-65 (mp 220.7)
Location1.5 MI N JCT CO RD 42
RouteCounty Highway 51
StateAlabama
Coordinates32.99857, -86.70108
Functional classRural Minor 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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length283 ft (86.3 m)
Longest span78 ft (23.8 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2008)
Projected traffic500 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 51 over I-65 (mp 220.7) built?

It was built in 1959, making it 66 years old in 2025.

What condition is CR 51 over I-65 (mp 220.7) 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 September 2023.

How much traffic does CR 51 over I-65 (mp 220.7) carry?

About 350 vehicles per day (2008 count), of which roughly 1% are trucks.

How long is CR 51 over I-65 (mp 220.7)?

The structure is 283 ft (86.3 m) long with a longest span of 78 ft (23.8 m) and a deck 30 ft wide.

Who owns CR 51 over I-65 (mp 220.7)?

It is owned by the State Highway Agency.