US Bridges

CR 278 over Unnamed Branch

PoorPosted for load

Washington County, Florida · 0.25 MI West of SR 77 · Structure no. 610021

Built
1940
85 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
1,100
2023 count
Owner
County
County Highway Agency

About this bridge

CR 278 over Unnamed Branch is a steel culvert carrying CR 278 over Unnamed Branch in Washington County, Florida. It was built in 1940, so it is 85 years old, older than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,100 vehicles a day, roughly 12% of them trucks, projected to reach 1,909 by 2045. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCR 278
CrossesUnnamed Branch
Location0.25 MI West of SR 77
RouteCounty Highway 278
StateFlorida
Coordinates30.63317, -85.59233
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,909 by 2045
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 278 over Unnamed Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is CR 278 over Unnamed Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does CR 278 over Unnamed Branch carry?

About 1,100 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is CR 278 over Unnamed Branch?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m).

Who owns CR 278 over Unnamed Branch?

It is owned by the County Highway Agency.