US Bridges

US-1 over Unsigned Creek

Fair

Volusia County, Florida · 1.4 MI N of Brevard Co. · Structure no. 790116

Built
1956
69 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
5,300
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 over Unsigned Creek is a concrete culvert carrying US-1 over Unsigned Creek in Volusia County, Florida. It was built in 1956, so it is 69 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 5,300 vehicles a day, roughly 6% of them trucks, projected to reach 9,196 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS-1
CrossesUnsigned Creek
Location1.4 MI N of Brevard Co.
RouteU.S. Route 1
StateFlorida
Coordinates28.80869, -80.87092
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating47.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
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 traffic5,300 (2022)
Projected traffic9,196 by 2044
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 US-1 over Unsigned Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is US-1 over Unsigned 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 June 2023.

How much traffic does US-1 over Unsigned Creek carry?

About 5,300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US-1 over Unsigned Creek?

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

Who owns US-1 over Unsigned Creek?

It is owned by the State Highway Agency.