US Bridges

Minor 21.1-U.0 over Little Timber Creek

Fair

Marshall County, Kansas · N.E. of Frankfort · Structure no. 000580919103400

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
80
2007 count
Owner
County
County Highway Agency

About this bridge

Minor 21.1-U.0 over Little Timber Creek is a concrete continuous slab carrying Minor 21.1-U.0 over Little Timber Creek in Marshall County, Kansas. It was built in 1978, so it is 47 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 80 vehicles a day, projected to reach 80 by 2043. The structure is 110 ft (33.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMinor 21.1-U.0
CrossesLittle Timber Creek
LocationN.E. of Frankfort
RouteCounty Highway 5810
CountyMarshall County
StateKansas
Coordinates39.71136, -96.40544
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length110 ft (33.5 m)
Longest span41 ft (12.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2007)
Projected traffic80 by 2043
Trucks0%
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 Minor 21.1-U.0 over Little Timber Creek built?

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

What condition is Minor 21.1-U.0 over Little Timber Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Minor 21.1-U.0 over Little Timber Creek carry?

About 80 vehicles per day (2007 count).

How long is Minor 21.1-U.0 over Little Timber Creek?

The structure is 110 ft (33.5 m) long with a longest span of 41 ft (12.4 m) and a deck 26 ft wide.

Who owns Minor 21.1-U.0 over Little Timber Creek?

It is owned by the County Highway Agency.