US Bridges

US-1 (SR-5) NB over Middle River

Fair

Broward County, Florida · .7 Miles South of SR-816 · Structure no. 860278

Built
1974
51 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
158 ft
6 main spans
Daily traffic
27,250
2022 count
Owner
State
State Highway Agency

About this bridge

US-1 (SR-5) NB over Middle River is a concrete slab carrying US-1 (SR-5) NB over Middle River in Broward County, Florida. It was built in 1974, so it is 51 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 27,250 vehicles a day, roughly 3% of them trucks, projected to reach 47,279 by 2044. The structure is 158 ft (48.2 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-1 (SR-5) NB
CrossesMiddle River
Location.7 Miles South of SR-816
RouteU.S. Route 1
StateFlorida
Coordinates26.15732, -80.11736
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.6 US tons
Inventory rating51.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span33 ft (10.1 m)
Deck width53 ft (16.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,250 (2022)
Projected traffic47,279 by 2044
Trucks3%
Lanes on structure3
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US-1 (SR-5) NB over Middle River built?

It was built in 1974, making it 51 years old in 2025.

What condition is US-1 (SR-5) NB over Middle River 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 March 2024.

How much traffic does US-1 (SR-5) NB over Middle River carry?

About 27,250 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is US-1 (SR-5) NB over Middle River?

The structure is 158 ft (48.2 m) long with a longest span of 33 ft (10.1 m) and a deck 53 ft wide.

Who owns US-1 (SR-5) NB over Middle River?

It is owned by the State Highway Agency.