US Bridges

K-18 HWY EB over K-113 HWY

Good

Riley County, Kansas · JCT K-113/K18 EB · Structure no. 999901800810571

Built
2004
21 years old, rebuilt 2019
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete Continuous
Length
236 ft
3 main spans
Daily traffic
11,539
2023 count
Owner
State
State Highway Agency

About this bridge

K-18 HWY EB over K-113 HWY is a prestressed concrete continuous slab carrying K-18 HWY EB over K-113 HWY in Riley County, Kansas. It was built in 2004 and reconstructed in 2019, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,539 vehicles a day, roughly 3% of them trucks, projected to reach 15,541 by 2044. The structure is 236 ft (71.9 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesK-18 HWY EB
CrossesK-113 HWY
LocationJCT K-113/K18 EB
RouteState Highway 18
StateKansas
Coordinates39.16861, -96.60361
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length236 ft (71.9 m)
Longest span92 ft (28 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,539 (2023)
Projected traffic15,541 by 2044
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 K-18 HWY EB over K-113 HWY built?

It was built in 2004, making it 21 years old in 2025. It was reconstructed in 2019.

What condition is K-18 HWY EB over K-113 HWY 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 May 2023.

How much traffic does K-18 HWY EB over K-113 HWY carry?

About 11,539 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is K-18 HWY EB over K-113 HWY?

The structure is 236 ft (71.9 m) long with a longest span of 92 ft (28 m) and a deck 42 ft wide.

Who owns K-18 HWY EB over K-113 HWY?

It is owned by the State Highway Agency.