US Bridges

Mo 97 S over Horse CR

PoorPosted for load

Cedar County, Missouri · S 17 T 34 N R 28 W · Structure no. 8931

Built
1954
71 years old
Condition
Poor
inspected July 2023
Type
Truss - Thru
Steel
Length
231 ft
1 main span
Daily traffic
779
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 97 S over Horse CR is a steel truss - thru carrying Mo 97 S over Horse CR in Cedar County, Missouri. It was built in 1954, so it is 71 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 779 vehicles a day, roughly 11% of them trucks, projected to reach 1,130 by 2044. The structure is 231 ft (70.4 m) long and 24 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesMo 97 S
CrossesHorse CR
LocationS 17 T 34 N R 28 W
RouteState Highway 97
Coordinates37.68719, -94.03235
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.8 US tons
Inventory rating8.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadH 10
Structure length231 ft (70.4 m)
Longest span101 ft (30.8 m)
Deck width24 ft (7.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic779 (2024)
Projected traffic1,130 by 2044
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 97 S over Horse CR built?

It was built in 1954, making it 71 years old in 2025.

What condition is Mo 97 S over Horse CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Mo 97 S over Horse CR carry?

About 779 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 97 S over Horse CR?

The structure is 231 ft (70.4 m) long with a longest span of 101 ft (30.8 m) and a deck 24 ft wide.

Who owns Mo 97 S over Horse CR?

It is owned by the State Highway Agency.