US Bridges

US-1 NB (SR-15) over Pigeon Creek

Good

Nassau County, Florida · 1.3 Mi. S. of Ga. Line · Structure no. 740030

Built
1956
69 years old, rebuilt 1998
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
120 ft
6 main spans
Daily traffic
6,650
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 NB (SR-15) over Pigeon Creek is a concrete slab carrying US-1 NB (SR-15) over Pigeon Creek in Nassau County, Florida. It was built in 1956 and reconstructed in 1998, 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 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 6,650 vehicles a day, roughly 15% of them trucks, projected to reach 11,538 by 2044. The structure is 120 ft (36.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS-1 NB (SR-15)
CrossesPigeon Creek
Location1.3 Mi. S. of Ga. Line
RouteU.S. Route 1
CountyNassau County
StateFlorida
Coordinates30.76177, -81.96703
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionApril 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 rating63.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length120 ft (36.5 m)
Longest span20 ft (6.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,650 (2022)
Projected traffic11,538 by 2044
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$242,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US-1 NB (SR-15) over Pigeon Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1998.

What condition is US-1 NB (SR-15) over Pigeon Creek 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 April 2023.

How much traffic does US-1 NB (SR-15) over Pigeon Creek carry?

About 6,650 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US-1 NB (SR-15) over Pigeon Creek?

The structure is 120 ft (36.5 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.

Who owns US-1 NB (SR-15) over Pigeon Creek?

It is owned by the State Highway Agency.