US Bridges

18th Street North over Little Arkansas River

Good

Sedgwick County, Kansas · 18th St. N@ Arkansas Ave. · Structure no. 5304008700LAR80

Built
1914
111 years old, rebuilt 1987
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
218 ft
3 main spans
Daily traffic
5,600
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

18th Street North over Little Arkansas River is a prestressed concrete continuous stringer/multi-beam or girder carrying 18th Street North over Little Arkansas River in Sedgwick County, Kansas. It was built in 1914 and reconstructed in 1987, so it is 111 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 5,600 vehicles a day, roughly 2% of them trucks, projected to reach 6,400 by 2039. The structure is 218 ft (66.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries18th Street North
CrossesLittle Arkansas River
Location18th St. N@ Arkansas Ave.
RouteCity Street 0
StateKansas
Coordinates37.71706, -97.34568
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length218 ft (66.4 m)
Longest span85 ft (25.9 m)
Deck width45 ft (13.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5,600 (2006)
Projected traffic6,400 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 18th Street North over Little Arkansas River built?

It was built in 1914, making it 111 years old in 2025. It was reconstructed in 1987.

What condition is 18th Street North over Little Arkansas River 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 September 2023.

How much traffic does 18th Street North over Little Arkansas River carry?

About 5,600 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is 18th Street North over Little Arkansas River?

The structure is 218 ft (66.4 m) long with a longest span of 85 ft (25.9 m) and a deck 45 ft wide.

Who owns 18th Street North over Little Arkansas River?

It is owned by the City or Municipal Highway Agency.