US Bridges

Nelson RD C.9-1.8 over Trib. to Big Bull Creek

Good

Johnson County, Kansas · E. Edgerton · Structure no. 000000000460190

Built
1986
39 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
1,251
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nelson RD C.9-1.8 over Trib. to Big Bull Creek is a concrete continuous slab carrying Nelson RD C.9-1.8 over Trib. to Big Bull Creek in Johnson County, Kansas. It was built in 1986, so it is 39 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 1,251 vehicles a day, roughly 6% of them trucks, projected to reach 1,500 by 2043. The structure is 112 ft (34.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNelson RD C.9-1.8
CrossesTrib. to Big Bull Creek
LocationE. Edgerton
RouteCity Street 348
StateKansas
Coordinates38.76486, -95.00361
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 inspectionJanuary 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.7 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,251 (2016)
Projected traffic1,500 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Nelson RD C.9-1.8 over Trib. to Big Bull Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nelson RD C.9-1.8 over Trib. to Big Bull 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 2025.

How much traffic does Nelson RD C.9-1.8 over Trib. to Big Bull Creek carry?

About 1,251 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is Nelson RD C.9-1.8 over Trib. to Big Bull Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns Nelson RD C.9-1.8 over Trib. to Big Bull Creek?

It is owned by the City or Municipal Highway Agency.