US Bridges

Lone Rock Trail over Br of Brushy CR

Good

Gentry County, Missouri · S 28 T 62 N R 30 W · Structure no. 31686

Built
2005
20 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Lone Rock Trail over Br of Brushy CR is a steel stringer/multi-beam or girder carrying Lone Rock Trail over Br of Brushy CR in Gentry County, Missouri. It was built in 2005, so it is 20 years old, younger than the Missouri average of 45.1 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 39 ft (11.8 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLone Rock Trail
CrossesBr of Brushy CR
LocationS 28 T 62 N R 30 W
RouteCounty Highway 425
Coordinates40.15321, -94.28803
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span36 ft (11.1 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lone Rock Trail over Br of Brushy CR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Lone Rock Trail over Br of Brushy CR 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 January 2023.

How much traffic does Lone Rock Trail over Br of Brushy CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Lone Rock Trail over Br of Brushy CR?

The structure is 39 ft (11.8 m) long with a longest span of 36 ft (11.1 m) and a deck 20 ft wide.

Who owns Lone Rock Trail over Br of Brushy CR?

It is owned by the County Highway Agency.