US Bridges

CR 1543 over Unnamed Canal

Fair

Leon County, Florida · 0.66 Mi. N. of US27/SR20 · Structure no. 550057

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
5,800
2023 count
Owner
County
County Highway Agency

About this bridge

CR 1543 over Unnamed Canal is a concrete culvert carrying CR 1543 over Unnamed Canal in Leon County, Florida. It was built in 1950, so it is 75 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 5,800 vehicles a day, roughly 6% of them trucks, projected to reach 6,380 by 2043. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCR 1543
CrossesUnnamed Canal
Location0.66 Mi. N. of US27/SR20
RouteCounty Highway 1543
StateFlorida
Coordinates30.43178, -84.11773
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2023)
Projected traffic6,380 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 1543 over Unnamed Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is CR 1543 over Unnamed Canal 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 May 2024.

How much traffic does CR 1543 over Unnamed Canal carry?

About 5,800 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is CR 1543 over Unnamed Canal?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3.2 m).

Who owns CR 1543 over Unnamed Canal?

It is owned by the County Highway Agency.