US Bridges

CR 18 over I-65

Fair

Chilton County, Alabama · 1.3 MI N JCT U S #31 · Structure no. 006090

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
266 ft
4 main spans
Daily traffic
242
2010 count
Owner
State
State Highway Agency

About this bridge

CR 18 over I-65 is a concrete continuous tee beam carrying CR 18 over I-65 in Chilton County, Alabama. It was built in 1958, so it is 67 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 242 vehicles a day, roughly 1% of them trucks, projected to reach 339 by 2030. The structure is 266 ft (81.1 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR 18
CrossesI-65
Location1.3 MI N JCT U S #31
RouteCounty Highway 18
StateAlabama
Coordinates32.81942, -86.58652
Functional classRural Minor 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.
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 geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.4 US tons
Inventory rating39.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span73 ft (22.3 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic242 (2010)
Projected traffic339 by 2030
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$2.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 18 over I-65 built?

It was built in 1958, making it 67 years old in 2025.

What condition is CR 18 over I-65 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 September 2023.

How much traffic does CR 18 over I-65 carry?

About 242 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is CR 18 over I-65?

The structure is 266 ft (81.1 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.

Who owns CR 18 over I-65?

It is owned by the State Highway Agency.