US Bridges

SR-100 over Richard Creek

Fair

Union County, Florida · 0.5 Mi. E. of SR-121 · Structure no. 390002

Built
1955
70 years old, rebuilt 2000
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
6,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR-100 over Richard Creek is a concrete culvert carrying SR-100 over Richard Creek in Union County, Florida. It was built in 1955 and reconstructed in 2000, so it is 70 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 6,300 vehicles a day, roughly 15% of them trucks, projected to reach 10,931 by 2045. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSR-100
CrossesRichard Creek
Location0.5 Mi. E. of SR-121
RouteState Highway 100
CountyUnion County
StateFlorida
Coordinates30.01972, -82.31639
Functional classRural Minor Arterial

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 inspectionDecember 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 rating68.3 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2023)
Projected traffic10,931 by 2045
Trucks15%
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

OwnerState Highway Agency
Maintained byState 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 SR-100 over Richard Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2000.

What condition is SR-100 over Richard 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 December 2024.

How much traffic does SR-100 over Richard Creek carry?

About 6,300 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SR-100 over Richard Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SR-100 over Richard Creek?

It is owned by the State Highway Agency.