US Bridges

US81 HWY NB over Kyle Railroad

Good

Ottawa County, Kansas · 3.92 MI N K18 NB · Structure no. 999908100720391

Built
1971
54 years old, rebuilt 2020
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
257 ft
5 main spans
Daily traffic
3,848
2023 count
Owner
State
State Highway Agency

About this bridge

US81 HWY NB over Kyle Railroad is a steel continuous stringer/multi-beam or girder carrying US81 HWY NB over Kyle Railroad in Ottawa County, Kansas. It was built in 1971 and reconstructed in 2020, so it is 54 years old, older 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 3,848 vehicles a day, roughly 24% of them trucks, projected to reach 4,424 by 2044. The structure is 257 ft (78.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS81 HWY NB
CrossesKyle Railroad
Location3.92 MI N K18 NB
RouteU.S. Route 81
StateKansas
Coordinates39.07139, -97.64917
Functional classRural Principal Arterial - Other

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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length257 ft (78.4 m)
Longest span56 ft (17.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,848 (2023)
Projected traffic4,424 by 2044
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US81 HWY NB over Kyle Railroad built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2020.

What condition is US81 HWY NB over Kyle Railroad 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 November 2024.

How much traffic does US81 HWY NB over Kyle Railroad carry?

About 3,848 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US81 HWY NB over Kyle Railroad?

The structure is 257 ft (78.4 m) long with a longest span of 56 ft (17.1 m) and a deck 42 ft wide.

Who owns US81 HWY NB over Kyle Railroad?

It is owned by the State Highway Agency.