US Bridges

SR-136 over Suwannee River

Fair

Columbia County, Florida · 0.1 Mi. W. of US-41 · Structure no. 290030

Built
1954
71 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
297 ft
3 main spans
Daily traffic
2,400
2022 count
Owner
State
State Highway Agency

About this bridge

SR-136 over Suwannee River is a steel continuous girder and floorbeam system carrying SR-136 over Suwannee River in Columbia County, Florida. It was built in 1954, so it is 71 years old, older than the Florida average of 41.3 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 2,400 vehicles a day, roughly 9% of them trucks, projected to reach 4,164 by 2042. The structure is 297 ft (90.6 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesSR-136
CrossesSuwannee River
Location0.1 Mi. W. of US-41
RouteState Highway 136
CountyColumbia County
StateFlorida
Coordinates30.32816, -82.75976
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.3 US tons
Inventory rating21.6 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length297 ft (90.6 m)
Longest span126 ft (38.4 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2022)
Projected traffic4,164 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$71,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-136 over Suwannee River built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR-136 over Suwannee River 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 SR-136 over Suwannee River carry?

About 2,400 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR-136 over Suwannee River?

The structure is 297 ft (90.6 m) long with a longest span of 126 ft (38.4 m) and a deck 34 ft wide.

Who owns SR-136 over Suwannee River?

It is owned by the State Highway Agency.