US Bridges

SR 304 over I-65

Good

Limestone County, Alabama · Int SR304 & I65 · Structure no. 021534

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
340 ft
4 main spans
Daily traffic
8,658
2024 count
Owner
State
State Highway Agency

About this bridge

SR 304 over I-65 is a steel stringer/multi-beam or girder carrying SR 304 over I-65 in Limestone County, Alabama. It was built in 2022, so it is 3 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 8,658 vehicles a day, roughly 10% of them trucks, projected to reach 18,200 by 2040. The structure is 340 ft (103.5 m) long and 39 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSR 304
CrossesI-65
LocationInt SR304 & I65
RouteCounty Highway 24
StateAlabama
Coordinates34.73068, -86.93684
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.7 US tons
Inventory rating54.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length340 ft (103.5 m)
Longest span94 ft (28.7 m)
Deck width39 ft (12 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,658 (2024)
Projected traffic18,200 by 2040
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.2 mi (18 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$3.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 304 over I-65 built?

It was built in 2022, making it 3 years old in 2025.

What condition is SR 304 over I-65 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 June 2024.

How much traffic does SR 304 over I-65 carry?

About 8,658 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 304 over I-65?

The structure is 340 ft (103.5 m) long with a longest span of 94 ft (28.7 m) and a deck 39 ft wide.

Who owns SR 304 over I-65?

It is owned by the State Highway Agency.