US Bridges

Indian River Drive over Moores Creek

Fair

St. Lucie County, Florida · 0.1MI S of Seaway DR A1A · Structure no. 940020

Built
1961
64 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
7,200
2023 count
Owner
County
County Highway Agency

About this bridge

Indian River Drive over Moores Creek is a prestressed concrete slab carrying Indian River Drive over Moores Creek in St. Lucie County, Florida. It was built in 1961, so it is 64 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 7,200 vehicles a day, roughly 5% of them trucks, projected to reach 12,492 by 2045. The structure is 45 ft (13.7 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIndian River Drive
CrossesMoores Creek
Location0.1MI S of Seaway DR A1A
RouteCounty Highway 707
StateFlorida
Coordinates27.45134, -80.32361
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width41 ft (12.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic12,492 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Indian River Drive over Moores Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Indian River Drive over Moores Creek 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 January 2025.

How much traffic does Indian River Drive over Moores Creek carry?

About 7,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Indian River Drive over Moores Creek?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 41 ft wide.

Who owns Indian River Drive over Moores Creek?

It is owned by the County Highway Agency.