US Bridges

Knights Trail Rd. over Adris Run

Good

Sarasota County, Florida · 4.0 MI North of Laurel RD · Structure no. 174090

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
80 ft
7 main spans
Daily traffic
5,800
2024 count
Owner
County
County Highway Agency

About this bridge

Knights Trail Rd. over Adris Run is a concrete culvert carrying Knights Trail Rd. over Adris Run in Sarasota County, Florida. It was built in 1996, so it is 29 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 5,800 vehicles a day, roughly 28% of them trucks, projected to reach 10,063 by 2044. The structure is 80 ft (24.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKnights Trail Rd.
CrossesAdris Run
Location4.0 MI North of Laurel RD
RouteCounty Highway 0
StateFlorida
Coordinates27.19323, -82.40513
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadHS 20
Structure length80 ft (24.4 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 traffic5,800 (2024)
Projected traffic10,063 by 2044
Trucks28%
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 Knights Trail Rd. over Adris Run built?

It was built in 1996, making it 29 years old in 2025.

What condition is Knights Trail Rd. over Adris Run 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 July 2024.

How much traffic does Knights Trail Rd. over Adris Run carry?

About 5,800 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is Knights Trail Rd. over Adris Run?

The structure is 80 ft (24.4 m) long with a longest span of 10 ft (3 m).

Who owns Knights Trail Rd. over Adris Run?

It is owned by the County Highway Agency.