US Bridges

Local Rd. 66 over Trib. Little Osage River

Good

Linn County, Kansas · 1.5W of Blue Mound · Structure no. 000541069005628

Built
2022
3 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Local Rd. 66 over Trib. Little Osage River is a concrete culvert carrying Local Rd. 66 over Trib. Little Osage River in Linn County, Kansas. It was built in 2022, so it is 3 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 33 by 2044. The structure is 31 ft (9.4 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal Rd. 66
CrossesTrib. Little Osage River
Location1.5W of Blue Mound
RouteCounty Highway 890
CountyLinn County
StateKansas
Coordinates38.08143, -95.04048
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2022)
Projected traffic33 by 2044
Trucks5%
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

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 Local Rd. 66 over Trib. Little Osage River built?

It was built in 2022, making it 3 years old in 2025.

What condition is Local Rd. 66 over Trib. Little Osage River 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 2024.

How much traffic does Local Rd. 66 over Trib. Little Osage River carry?

About 30 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Local Rd. 66 over Trib. Little Osage River?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns Local Rd. 66 over Trib. Little Osage River?

It is owned by the County Highway Agency.