US Bridges

Sunset Trail over Danforth Creek

Good

Martin County, Florida · 0.7MI West of Mapp Road · Structure no. 894031

Built
1978
47 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
516
2023 count
Owner
County
County Highway Agency

About this bridge

Sunset Trail over Danforth Creek is a concrete culvert carrying Sunset Trail over Danforth Creek in Martin County, Florida. It was built in 1978, so it is 47 years old, older 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 516 vehicles a day, roughly 5% of them trucks, projected to reach 832 by 2042. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSunset Trail
CrossesDanforth Creek
Location0.7MI West of Mapp Road
RouteCounty Highway 0
StateFlorida
Coordinates27.16847, -80.28077
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.6 US tons
Inventory rating51.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic516 (2023)
Projected traffic832 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Sunset Trail over Danforth Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Sunset Trail over Danforth 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 Sunset Trail over Danforth Creek carry?

About 516 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sunset Trail over Danforth Creek?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns Sunset Trail over Danforth Creek?

It is owned by the County Highway Agency.