US Bridges

Keene DR over E Yellow CR

Good

Linn County, Missouri · S 13 T 57 N R 19 W · Structure no. 23935

Built
1991
34 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
186 ft
3 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Keene DR over E Yellow CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Keene DR over E Yellow CR in Linn County, Missouri. It was built in 1991, so it is 34 years old, younger than the Missouri average of 45.1 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 66 by 2044. The structure is 186 ft (56.7 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKeene DR
CrossesE Yellow CR
LocationS 13 T 57 N R 19 W
RouteCounty Highway 445
Coordinates39.75118, -92.98861
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span62 ft (18.9 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic66 by 2044
Trucks10%
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 Keene DR over E Yellow CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Keene DR over E Yellow CR 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 November 2024.

How much traffic does Keene DR over E Yellow CR carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Keene DR over E Yellow CR?

The structure is 186 ft (56.7 m) long with a longest span of 62 ft (18.9 m) and a deck 27 ft wide.

Who owns Keene DR over E Yellow CR?

It is owned by the County Highway Agency.