US Bridges

U-8.2 120 over Mill Creek

Good

Washington County, Kansas · 5.7S 0.1W of Hollenberg · Structure no. 001010857003142

Built
1994
31 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
219 ft
5 main spans
Daily traffic
45
2014 count
Owner
County
County Highway Agency

About this bridge

U-8.2 120 over Mill Creek is a concrete continuous slab carrying U-8.2 120 over Mill Creek in Washington County, Kansas. It was built in 1994, so it is 31 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 45 vehicles a day, projected to reach 54 by 2043. The structure is 219 ft (66.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesU-8.2 120
CrossesMill Creek
Location5.7S 0.1W of Hollenberg
RouteCounty Highway 0
StateKansas
Coordinates39.89809, -96.99349
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating86.8 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span48 ft (14.5 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 traffic45 (2014)
Projected traffic54 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 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 U-8.2 120 over Mill Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is U-8.2 120 over 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 U-8.2 120 over Mill Creek carry?

About 45 vehicles per day (2014 count).

How long is U-8.2 120 over Mill Creek?

The structure is 219 ft (66.8 m) long with a longest span of 48 ft (14.5 m) and a deck 28 ft wide.

Who owns U-8.2 120 over Mill Creek?

It is owned by the County Highway Agency.