US Bridges

8th St. over Mission Creek

Good

Brown County, Kansas · 8th. St. E. of US-159 · Structure no. 513000070000001

Built
1982
43 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
120
2004 count
Owner
City
City or Municipal Highway Agency

About this bridge

8th St. over Mission Creek is a concrete continuous slab carrying 8th St. over Mission Creek in Brown County, Kansas. It was built in 1982, so it is 43 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 120 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2044. The structure is 112 ft (34.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries8th St.
CrossesMission Creek
Location8th. St. E. of US-159
RouteCity Street 0
CountyBrown County
StateKansas
Coordinates39.65995, -95.51948
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 inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.3 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic120 (2004)
Projected traffic120 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 8th St. over Mission Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is 8th St. over Mission 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 January 2024.

How much traffic does 8th St. over Mission Creek carry?

About 120 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is 8th St. over Mission Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns 8th St. over Mission Creek?

It is owned by the City or Municipal Highway Agency.