US Bridges

U-169 HWY over Rock Creek

Good

Allen County, Kansas · 2.80 Mi. N. Old U-169 HWY · Structure no. 999916900010441

Built
1981
44 years old, rebuilt 1997
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
243 ft
4 main spans
Daily traffic
4,371
2023 count
Owner
State
State Highway Agency

About this bridge

U-169 HWY over Rock Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying U-169 HWY over Rock Creek in Allen County, Kansas. It was built in 1981 and reconstructed in 1997, so it is 44 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 4,371 vehicles a day, roughly 24% of them trucks, projected to reach 5,549 by 2044. The structure is 243 ft (74.2 m) long and 78 ft wide.

CarriesU-169 HWY
CrossesRock Creek
Location2.80 Mi. N. Old U-169 HWY
RouteU.S. Route 169
StateKansas
Coordinates37.91778, -95.37944
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating78 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length243 ft (74.2 m)
Longest span60 ft (18.4 m)
Deck width78 ft (23.7 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,371 (2023)
Projected traffic5,549 by 2044
Trucks24%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 U-169 HWY over Rock Creek built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 1997.

What condition is U-169 HWY over Rock 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 February 2023.

How much traffic does U-169 HWY over Rock Creek carry?

About 4,371 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is U-169 HWY over Rock Creek?

The structure is 243 ft (74.2 m) long with a longest span of 60 ft (18.4 m) and a deck 78 ft wide.

Who owns U-169 HWY over Rock Creek?

It is owned by the State Highway Agency.