US Bridges

SR71 over Spring Creek

Good

Jackson County, Florida · 2.0 MI South of I10 · Structure no. 530112

Built
1941
84 years old, rebuilt 1999
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
20 ft
4 main spans
Daily traffic
5,900
2022 count
Owner
State
State Highway Agency

About this bridge

SR71 over Spring Creek is a steel culvert carrying SR71 over Spring Creek in Jackson County, Florida. It was built in 1941 and reconstructed in 1999, so it is 84 years old, older than the Florida average of 41.3 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 5,900 vehicles a day, roughly 10% of them trucks, projected to reach 10,236 by 2044. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR71
CrossesSpring Creek
Location2.0 MI South of I10
RouteState Highway 71
StateFlorida
Coordinates30.69368, -85.18061
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating58 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span4 ft (1.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2022)
Projected traffic10,236 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR71 over Spring Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1999.

What condition is SR71 over Spring 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 October 2024.

How much traffic does SR71 over Spring Creek carry?

About 5,900 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR71 over Spring Creek?

The structure is 20 ft (6.2 m) long with a longest span of 4 ft (1.2 m).

Who owns SR71 over Spring Creek?

It is owned by the State Highway Agency.