US Bridges

CR374-HARVEY Mill over Lost Creek

Fair

Wakulla County, Florida · 0.97 MI West US319/SR61 · Structure no. 590030

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
264 ft
6 main spans
Daily traffic
94
2022 count
Owner
County
County Highway Agency

About this bridge

CR374-HARVEY Mill over Lost Creek is a prestressed concrete stringer/multi-beam or girder carrying CR374-HARVEY Mill over Lost Creek in Wakulla County, Florida. It was built in 1968, so it is 57 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 94 vehicles a day, projected to reach 103 by 2042. The structure is 264 ft (80.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCR374-HARVEY Mill
CrossesLost Creek
Location0.97 MI West US319/SR61
RouteCounty Highway 374
CountyWakulla County
StateFlorida
Coordinates30.16563, -84.39437
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length264 ft (80.4 m)
Longest span44 ft (13.4 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2022)
Projected traffic103 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR374-HARVEY Mill over Lost Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is CR374-HARVEY Mill over Lost Creek 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 November 2023.

How much traffic does CR374-HARVEY Mill over Lost Creek carry?

About 94 vehicles per day (2022 count).

How long is CR374-HARVEY Mill over Lost Creek?

The structure is 264 ft (80.4 m) long with a longest span of 44 ft (13.4 m) and a deck 31 ft wide.

Who owns CR374-HARVEY Mill over Lost Creek?

It is owned by the County Highway Agency.