US Bridges

Kneff Farm Crossng over Trib to Glaize CR

Fair

Jefferson County, Missouri · S 1969 T 42 N R 5 E · Structure no. 36114

Built
1995
30 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
35 ft
1 main span
Daily traffic
120
2023 count
Owner
County
County Highway Agency

About this bridge

Kneff Farm Crossng over Trib to Glaize CR is a steel culvert carrying Kneff Farm Crossng over Trib to Glaize CR in Jefferson County, Missouri. It was built in 1995, so it is 30 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 120 vehicles a day, roughly 1% of them trucks, projected to reach 204 by 2043. The structure is 35 ft (10.7 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesKneff Farm Crossng
CrossesTrib to Glaize CR
LocationS 1969 T 42 N R 5 E
RouteCounty Highway 822
CountyJefferson County
StateMissouri
Coordinates38.3754, -90.4518
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span25 ft (7.6 m)
Deck width35 ft (10.7 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic204 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kneff Farm Crossng over Trib to Glaize CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is Kneff Farm Crossng over Trib to Glaize CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Kneff Farm Crossng over Trib to Glaize CR carry?

About 120 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Kneff Farm Crossng over Trib to Glaize CR?

The structure is 35 ft (10.7 m) long with a longest span of 25 ft (7.6 m) and a deck 35 ft wide.

Who owns Kneff Farm Crossng over Trib to Glaize CR?

It is owned by the County Highway Agency.