US Bridges

Gendouglasmcarthur over Austin Relief Canal

Good

Hendry County, Florida · 1.7MI E of CR-78A · Structure no. 074032

Built
1996
29 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
41 ft
3 main spans
Daily traffic
101
2021 count
Owner
County
County Highway Agency

About this bridge

Gendouglasmcarthur over Austin Relief Canal is a concrete culvert carrying Gendouglasmcarthur over Austin Relief Canal in Hendry 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 101 vehicles a day, roughly 1% of them trucks, projected to reach 126 by 2041. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGendouglasmcarthur
CrossesAustin Relief Canal
Location1.7MI E of CR-78A
RouteCounty Highway 0
StateFlorida
Coordinates26.7511, -81.48402
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
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 alignment6: Equal to present minimum criteria
Operating rating82.7 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2021)
Projected traffic126 by 2041
Trucks1%
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 Gendouglasmcarthur over Austin Relief Canal built?

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

What condition is Gendouglasmcarthur over Austin Relief Canal 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 June 2023.

How much traffic does Gendouglasmcarthur over Austin Relief Canal carry?

About 101 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Gendouglasmcarthur over Austin Relief Canal?

The structure is 41 ft (12.5 m) long with a longest span of 14 ft (4.4 m).

Who owns Gendouglasmcarthur over Austin Relief Canal?

It is owned by the County Highway Agency.