US Bridges

CR 115 over Little Mills Creek

Good

Nassau County, Florida · 1.3 MI Northwest of US 1 · Structure no. 744319

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
46 ft
4 main spans
Daily traffic
4,700
2024 count
Owner
County
County Highway Agency

About this bridge

CR 115 over Little Mills Creek is a concrete culvert carrying CR 115 over Little Mills Creek in Nassau County, Florida. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,700 vehicles a day, roughly 5% of them trucks, projected to reach 8,155 by 2046. The structure is 46 ft (14 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCR 115
CrossesLittle Mills Creek
Location1.3 MI Northwest of US 1
RouteCounty Highway 115
StateFlorida
Coordinates30.58147, -81.85
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81 US tons
Inventory rating52.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length46 ft (14 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2024)
Projected traffic8,155 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 115 over Little Mills Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is CR 115 over Little Mills 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 June 2024.

How much traffic does CR 115 over Little Mills Creek carry?

About 4,700 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is CR 115 over Little Mills Creek?

The structure is 46 ft (14 m) long with a longest span of 7 ft (2.1 m).

Who owns CR 115 over Little Mills Creek?

It is owned by the County Highway Agency.