US Bridges

NE 90th RD over Trib of Horse CR

Poor

Barton County, Missouri · S 2 T 33 N R 29 W · Structure no. 14966

Built
1980
45 years old
Condition
Poor
inspected March 2023
Type
Slab
Concrete Continuous
Length
66 ft
4 main spans
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

NE 90th RD over Trib of Horse CR is a concrete continuous slab carrying NE 90th RD over Trib of Horse CR in Barton County, Missouri. It was built in 1980, so it is 45 years old, younger 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 4 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.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2043. The structure is 66 ft (20.1 m) long and 17 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNE 90th RD
CrossesTrib of Horse CR
LocationS 2 T 33 N R 29 W
RouteCounty Highway 80
Coordinates37.62507, -94.07578
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length66 ft (20.1 m)
Longest span17 ft (5.2 m)
Deck width17 ft (5.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic28 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$510,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 90th RD over Trib of Horse CR built?

It was built in 1980, making it 45 years old in 2025.

What condition is NE 90th RD over Trib of 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 March 2023.

How much traffic does NE 90th RD over Trib of Horse CR carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NE 90th RD over Trib of Horse CR?

The structure is 66 ft (20.1 m) long with a longest span of 17 ft (5.2 m) and a deck 17 ft wide.

Who owns NE 90th RD over Trib of Horse CR?

It is owned by the County Highway Agency.