US Bridges

Murrhee Road over Little ST Marys River

Good

Nassau County, Florida · 2.1 MI Northeast of US 1 · Structure no. 744310

Built
1998
27 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
1,451
2024 count
Owner
County
County Highway Agency

About this bridge

Murrhee Road over Little ST Marys River is a concrete continuous slab carrying Murrhee Road over Little ST Marys River in Nassau County, Florida. It was built in 1998, so it is 27 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 1,451 vehicles a day, roughly 5% of them trucks, projected to reach 2,517 by 2046. The structure is 100 ft (30.5 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMurrhee Road
CrossesLittle ST Marys River
Location2.1 MI Northeast of US 1
RouteCounty Highway 0
StateFlorida
Coordinates30.74333, -81.92028
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span33 ft (10.2 m)
Deck width45 ft (13.7 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,451 (2024)
Projected traffic2,517 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Murrhee Road over Little ST Marys River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Murrhee Road over Little ST Marys 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 June 2024.

How much traffic does Murrhee Road over Little ST Marys River carry?

About 1,451 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Murrhee Road over Little ST Marys River?

The structure is 100 ft (30.5 m) long with a longest span of 33 ft (10.2 m) and a deck 45 ft wide.

Who owns Murrhee Road over Little ST Marys River?

It is owned by the County Highway Agency.