US Bridges

CR-78 over I-20/59

Good

Greene County, Alabama · CR-78 MP 29.4 · Structure no. 010481

Built
1971
54 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
382 ft
4 main spans
Daily traffic
380
2020 count
Owner
State
State Highway Agency

About this bridge

CR-78 over I-20/59 is a concrete continuous tee beam carrying CR-78 over I-20/59 in Greene County, Alabama. It was built in 1971, so it is 54 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 380 vehicles a day, roughly 1% of them trucks, projected to reach 382 by 2040. The structure is 382 ft (116.4 m) long and 32 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesCR-78
CrossesI-20/59
LocationCR-78 MP 29.4
RouteCounty Highway 78
StateAlabama
Coordinates32.76057, -88.07155
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.
Last inspectionSeptember 2024
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 rating70.8 US tons
Inventory rating42.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length382 ft (116.4 m)
Longest span105 ft (32 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2020)
Projected traffic382 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.2 mi (158 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$2.9 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR-78 over I-20/59 built?

It was built in 1971, making it 54 years old in 2025.

What condition is CR-78 over I-20/59 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 2024.

How much traffic does CR-78 over I-20/59 carry?

About 380 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is CR-78 over I-20/59?

The structure is 382 ft (116.4 m) long with a longest span of 105 ft (32 m) and a deck 32 ft wide.

Who owns CR-78 over I-20/59?

It is owned by the State Highway Agency.