US Bridges

Mo 43 S over Comstock CR

Fair

Barton County, Missouri · S 7 T 33 N R 32 W · Structure no. 2188

Built
1970
55 years old, rebuilt 1999
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
3 main spans
Daily traffic
2,873
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 43 S over Comstock CR is a steel continuous stringer/multi-beam or girder carrying Mo 43 S over Comstock CR in Barton County, Missouri. It was built in 1970 and reconstructed in 1999, so it is 55 years old, older 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 2,873 vehicles a day, roughly 13% of them trucks, projected to reach 4,166 by 2044. The structure is 124 ft (37.8 m) long and 41 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesMo 43 S
CrossesComstock CR
LocationS 7 T 33 N R 32 W
RouteState Highway 43
Coordinates37.63122, -94.47448
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length124 ft (37.8 m)
Longest span47 ft (14.3 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,873 (2024)
Projected traffic4,166 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mo 43 S over Comstock CR built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1999.

What condition is Mo 43 S over Comstock 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 July 2023.

How much traffic does Mo 43 S over Comstock CR carry?

About 2,873 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 43 S over Comstock CR?

The structure is 124 ft (37.8 m) long with a longest span of 47 ft (14.3 m) and a deck 41 ft wide.

Who owns Mo 43 S over Comstock CR?

It is owned by the State Highway Agency.