US Bridges

US-1 NB over Tomoka River

Good

Volusia County, Florida · US-1 NB - Tomoka River · Structure no. 790186

Built
2000
25 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
352 ft
7 main spans
Daily traffic
16,500
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 NB over Tomoka River is a prestressed concrete stringer/multi-beam or girder carrying US-1 NB over Tomoka River in Volusia County, Florida. It was built in 2000, so it is 25 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,500 vehicles a day, roughly 4% of them trucks, projected to reach 28,628 by 2044. The structure is 352 ft (107.3 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-1 NB
CrossesTomoka River
LocationUS-1 NB - Tomoka River
RouteU.S. Route 1
StateFlorida
Coordinates29.30519, -81.09396
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length352 ft (107.3 m)
Longest span50 ft (15.3 m)
Deck width50 ft (15.3 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2022)
Projected traffic28,628 by 2044
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 NB over Tomoka River built?

It was built in 2000, making it 25 years old in 2025.

What condition is US-1 NB over Tomoka River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does US-1 NB over Tomoka River carry?

About 16,500 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is US-1 NB over Tomoka River?

The structure is 352 ft (107.3 m) long with a longest span of 50 ft (15.3 m) and a deck 50 ft wide.

Who owns US-1 NB over Tomoka River?

It is owned by the State Highway Agency.