US Bridges

Carter Rd. over Irrigation Ditch #4

Fair

Indian River County, Florida · 2.4MI S of SR-60@90th Ave · Structure no. 884015

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Carter Rd. over Irrigation Ditch #4 is a concrete slab carrying Carter Rd. over Irrigation Ditch #4 in Indian River County, Florida. It was built in 1967, so it is 58 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 10 vehicles a day, projected to reach 12 by 2042. The structure is 45 ft (13.7 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCarter Rd.
CrossesIrrigation Ditch #4
Location2.4MI S of SR-60@90th Ave
RouteCounty Highway 0
StateFlorida
Coordinates27.60263, -80.51273
Functional classRural Local

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating22.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Carter Rd. over Irrigation Ditch #4 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Carter Rd. over Irrigation Ditch #4 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 2024.

How much traffic does Carter Rd. over Irrigation Ditch #4 carry?

About 10 vehicles per day (2024 count).

How long is Carter Rd. over Irrigation Ditch #4?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 25 ft wide.

Who owns Carter Rd. over Irrigation Ditch #4?

It is owned by the County Highway Agency.