US Bridges

SR74 / US278 over Terrapin Creek

Good

Calhoun County, Alabama · 3 MI E JCT SR9 · Structure no. 019994

Built
2013
12 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
3,665
2023 count
Owner
State
State Highway Agency

About this bridge

SR74 / US278 over Terrapin Creek is a prestressed concrete stringer/multi-beam or girder carrying SR74 / US278 over Terrapin Creek in Calhoun County, Alabama. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,665 vehicles a day, roughly 7% of them trucks, projected to reach 5,131 by 2043. The structure is 200 ft (61 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR74 / US278
CrossesTerrapin Creek
Location3 MI E JCT SR9
RouteU.S. Route 278
StateAlabama
Coordinates33.9537, -85.57043
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.6 US tons
Inventory rating61.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span80 ft (24.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,665 (2023)
Projected traffic5,131 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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$2.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR74 / US278 over Terrapin Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is SR74 / US278 over Terrapin 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 July 2024.

How much traffic does SR74 / US278 over Terrapin Creek carry?

About 3,665 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR74 / US278 over Terrapin Creek?

The structure is 200 ft (61 m) long with a longest span of 80 ft (24.4 m) and a deck 47 ft wide.

Who owns SR74 / US278 over Terrapin Creek?

It is owned by the State Highway Agency.