US Bridges

A-20 251st Street over Trib. to Fall Creek

Good

Leavenworth County, Kansas · 9.7N 4.0W of Tonganoxie · Structure no. 000521053004028

Built
1977
48 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
23
2024 count
Owner
County
County Highway Agency

About this bridge

A-20 251st Street over Trib. to Fall Creek is a steel stringer/multi-beam or girder carrying A-20 251st Street over Trib. to Fall Creek in Leavenworth County, Kansas. It was built in 1977, so it is 48 years old, younger than the Kansas average of 52.8 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 23 vehicles a day, roughly 16% of them trucks, projected to reach 63 by 2042. The structure is 31 ft (9.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesA-20 251st Street
CrossesTrib. to Fall Creek
Location9.7N 4.0W of Tonganoxie
RouteCounty Highway 0
StateKansas
Coordinates39.24695, -95.16151
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span29 ft (8.9 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic23 (2024)
Projected traffic63 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-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 A-20 251st Street over Trib. to Fall Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is A-20 251st Street over Trib. to Fall Creek 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 A-20 251st Street over Trib. to Fall Creek carry?

About 23 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is A-20 251st Street over Trib. to Fall Creek?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.9 m) and a deck 25 ft wide.

Who owns A-20 251st Street over Trib. to Fall Creek?

It is owned by the County Highway Agency.