US Bridges

County RD 150 over Kellog Br

Fair

Andrew County, Missouri · S 17 T 60 N R 35 W · Structure no. 29397

Built
2002
23 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 150 over Kellog Br is a steel stringer/multi-beam or girder carrying County RD 150 over Kellog Br in Andrew County, Missouri. It was built in 2002, so it is 23 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 75 ft (22.9 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 150
CrossesKellog Br
LocationS 17 T 60 N R 35 W
RouteCounty Highway 150
CountyAndrew County
StateMissouri
Coordinates40.01971, -94.84987
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span74 ft (22.6 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$385,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 150 over Kellog Br built?

It was built in 2002, making it 23 years old in 2025.

What condition is County RD 150 over Kellog Br 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 December 2023.

How much traffic does County RD 150 over Kellog Br carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 150 over Kellog Br?

The structure is 75 ft (22.9 m) long with a longest span of 74 ft (22.6 m) and a deck 18 ft wide.

Who owns County RD 150 over Kellog Br?

It is owned by the County Highway Agency.