US Bridges

Kerby Timber RD over Elm CR

Good

Schuyler County, Missouri · S 2 T 65 N R 16 W · Structure no. 18076

Built
1997
28 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Kerby Timber RD over Elm CR is a steel stringer/multi-beam or girder carrying Kerby Timber RD over Elm CR in Schuyler County, Missouri. It was built in 1997, so it is 28 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 40 vehicles a day, roughly 25% of them trucks, projected to reach 44 by 2044. The structure is 70 ft (21.3 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKerby Timber RD
CrossesElm CR
LocationS 2 T 65 N R 16 W
RouteCounty Highway 172
Coordinates40.46325, -92.65354
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 by 2044
Trucks25%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Kerby Timber RD over Elm CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is Kerby Timber RD over Elm 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 March 2024.

How much traffic does Kerby Timber RD over Elm CR carry?

About 40 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Kerby Timber RD over Elm CR?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 16 ft wide.

Who owns Kerby Timber RD over Elm CR?

It is owned by the County Highway Agency.