US Bridges

Rs 485 A-21 over Pole Creek

Good

Nemaha County, Kansas · 10.3N of Baileyville · Structure no. 000000000660070

Built
1992
33 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
134 ft
3 main spans
Daily traffic
90
2008 count
Owner
County
County Highway Agency

About this bridge

Rs 485 A-21 over Pole Creek is a concrete continuous slab carrying Rs 485 A-21 over Pole Creek in Nemaha County, Kansas. It was built in 1992, so it is 33 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 90 vehicles a day, projected to reach 135 by 2044. The structure is 134 ft (40.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRs 485 A-21
CrossesPole Creek
Location10.3N of Baileyville
RouteCounty Highway 485
StateKansas
Coordinates39.97396, -96.16385
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span52 ft (15.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic90 (2008)
Projected traffic135 by 2044
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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$213,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 485 A-21 over Pole Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Rs 485 A-21 over Pole 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 2024.

How much traffic does Rs 485 A-21 over Pole Creek carry?

About 90 vehicles per day (2008 count).

How long is Rs 485 A-21 over Pole Creek?

The structure is 134 ft (40.8 m) long with a longest span of 52 ft (15.7 m) and a deck 30 ft wide.

Who owns Rs 485 A-21 over Pole Creek?

It is owned by the County Highway Agency.