US Bridges

C-11.8 63 over North Fork Mill Creek

Good

Washington County, Kansas · 0.8S 1.5W of Haddam · Structure no. 001010821003208

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
20
2014 count
Owner
County
County Highway Agency

About this bridge

C-11.8 63 over North Fork Mill Creek is a concrete continuous slab carrying C-11.8 63 over North Fork Mill Creek in Washington County, Kansas. It was built in 2008, so it is 17 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 20 vehicles a day, projected to reach 25 by 2043. The structure is 142 ft (43.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesC-11.8 63
CrossesNorth Fork Mill Creek
Location0.8S 1.5W of Haddam
RouteCounty Highway 0
StateKansas
Coordinates39.84884, -97.33256
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.4 m)
Longest span56 ft (17 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2014)
Projected traffic25 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-11.8 63 over North Fork Mill Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is C-11.8 63 over North Fork Mill 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 March 2023.

How much traffic does C-11.8 63 over North Fork Mill Creek carry?

About 20 vehicles per day (2014 count).

How long is C-11.8 63 over North Fork Mill Creek?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17 m) and a deck 28 ft wide.

Who owns C-11.8 63 over North Fork Mill Creek?

It is owned by the County Highway Agency.