US Bridges

URB0400/ 21st ST over US169 HWY Nb/ SB

Good

Neosho County, Kansas · 9.15 MI N K47 · Structure no. 999916900670661

Built
1983
42 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
244 ft
4 main spans
Daily traffic
1,330
2023 count
Owner
State
State Highway Agency

About this bridge

URB0400/ 21st ST over US169 HWY Nb/ SB is a prestressed concrete continuous stringer/multi-beam or girder carrying URB0400/ 21st ST over US169 HWY Nb/ SB in Neosho County, Kansas. It was built in 1983, so it is 42 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 1,330 vehicles a day, projected to reach 1,976 by 2044. The structure is 244 ft (74.5 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesURB0400/ 21st ST
CrossesUS169 HWY Nb/ SB
Location9.15 MI N K47
RouteCounty Highway 400
CountyNeosho County
StateKansas
Coordinates37.65972, -95.47944
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length244 ft (74.5 m)
Longest span68 ft (20.7 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,330 (2023)
Projected traffic1,976 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 URB0400/ 21st ST over US169 HWY Nb/ SB built?

It was built in 1983, making it 42 years old in 2025.

What condition is URB0400/ 21st ST over US169 HWY Nb/ SB 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 February 2024.

How much traffic does URB0400/ 21st ST over US169 HWY Nb/ SB carry?

About 1,330 vehicles per day (2023 count).

How long is URB0400/ 21st ST over US169 HWY Nb/ SB?

The structure is 244 ft (74.5 m) long with a longest span of 68 ft (20.7 m) and a deck 46 ft wide.

Who owns URB0400/ 21st ST over US169 HWY Nb/ SB?

It is owned by the State Highway Agency.