US Bridges

CR-349 over I-75 SR-93

Good

Columbia County, Florida · CR-349 over I-75 · Structure no. 290024

Built
1963
62 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
222 ft
4 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

CR-349 over I-75 SR-93 is a prestressed concrete stringer/multi-beam or girder carrying CR-349 over I-75 SR-93 in Columbia County, Florida. It was built in 1963, so it is 62 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 550 vehicles a day, roughly 4% of them trucks, projected to reach 954 by 2045. The structure is 222 ft (67.7 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR-349
CrossesI-75 SR-93
LocationCR-349 over I-75
RouteCounty Highway 349
CountyColumbia County
StateFlorida
Coordinates30.02659, -82.61202
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.1 US tons
Inventory rating36.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length222 ft (67.7 m)
Longest span71 ft (21.5 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic954 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR-349 over I-75 SR-93 built?

It was built in 1963, making it 62 years old in 2025.

What condition is CR-349 over I-75 SR-93 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 January 2025.

How much traffic does CR-349 over I-75 SR-93 carry?

About 550 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR-349 over I-75 SR-93?

The structure is 222 ft (67.7 m) long with a longest span of 71 ft (21.5 m) and a deck 29 ft wide.

Who owns CR-349 over I-75 SR-93?

It is owned by the State Highway Agency.