US Bridges

CR 150 over Alapaha River

Fair

Hamilton County, Florida · 2 MI East of CR 141 · Structure no. 320024

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
8 main spans
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

CR 150 over Alapaha River is a prestressed concrete stringer/multi-beam or girder carrying CR 150 over Alapaha River in Hamilton County, Florida. It was built in 1959, so it is 66 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 300 vehicles a day, roughly 25% of them trucks, projected to reach 520 by 2042. The structure is 360 ft (109.7 m) long and 31 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesCR 150
CrossesAlapaha River
Location2 MI East of CR 141
RouteCounty Highway 150
CountyHamilton County
StateFlorida
Coordinates30.59833, -83.07333
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating29.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 20
Structure length360 ft (109.7 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic520 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 CR 150 over Alapaha River built?

It was built in 1959, making it 66 years old in 2025.

What condition is CR 150 over Alapaha 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 March 2024.

How much traffic does CR 150 over Alapaha River carry?

About 300 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is CR 150 over Alapaha River?

The structure is 360 ft (109.7 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns CR 150 over Alapaha River?

It is owned by the County Highway Agency.