US Bridges

Chestnut Road over Trib of ST Marys River

Fair

Baker County, Florida · 0.4 MI West of Camphor RD · Structure no. 274140

Built
1983
42 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
25 ft
2 main spans
Daily traffic
71
2023 count
Owner
County
County Highway Agency

About this bridge

Chestnut Road over Trib of ST Marys River is a concrete slab carrying Chestnut Road over Trib of ST Marys River in Baker County, Florida. It was built in 1983, so it is 42 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 5 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 71 vehicles a day, roughly 2% of them trucks, projected to reach 123 by 2042. The structure is 25 ft (7.6 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesChestnut Road
CrossesTrib of ST Marys River
Location0.4 MI West of Camphor RD
RouteCounty Highway 0
CountyBaker County
StateFlorida
Coordinates30.26083, -82.14278
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.2 US tons
Inventory rating26.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span12 ft (3.8 m)
Deck width12 ft (3.8 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2023)
Projected traffic123 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$138,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chestnut Road over Trib of ST Marys River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Chestnut Road over Trib of ST Marys 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 August 2023.

How much traffic does Chestnut Road over Trib of ST Marys River carry?

About 71 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Chestnut Road over Trib of ST Marys River?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.8 m) and a deck 12 ft wide.

Who owns Chestnut Road over Trib of ST Marys River?

It is owned by the County Highway Agency.