US Bridges

Indian Street over Willoughby Creek

Good

Martin County, Florida · 0.7MI E of Dixie HWY A1A · Structure no. 894040

Built
1992
33 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
96 ft
3 main spans
Daily traffic
6,761
2023 count
Owner
County
County Highway Agency

About this bridge

Indian Street over Willoughby Creek is a concrete continuous slab carrying Indian Street over Willoughby Creek in Martin County, Florida. It was built in 1992, so it is 33 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 6,761 vehicles a day, roughly 2% of them trucks, projected to reach 11,730 by 2042. The structure is 96 ft (29.3 m) long and 54 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIndian Street
CrossesWilloughby Creek
Location0.7MI E of Dixie HWY A1A
RouteCounty Highway 0
StateFlorida
Coordinates27.17253, -80.21003
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span42 ft (12.8 m)
Deck width54 ft (16.4 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,761 (2023)
Projected traffic11,730 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Street over Willoughby Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Indian Street over Willoughby 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 November 2023.

How much traffic does Indian Street over Willoughby Creek carry?

About 6,761 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Indian Street over Willoughby Creek?

The structure is 96 ft (29.3 m) long with a longest span of 42 ft (12.8 m) and a deck 54 ft wide.

Who owns Indian Street over Willoughby Creek?

It is owned by the County Highway Agency.