US Bridges

County RD 134 over Coon CR

PoorPosted for load

Jasper County, Missouri · S 13 T 30 N R 31 W · Structure no. 25242

Built
1926
99 years old
Condition
Poor
inspected December 2024
Type
Tee Beam
Concrete
Length
162 ft
5 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 134 over Coon CR is a concrete tee beam carrying County RD 134 over Coon CR in Jasper County, Missouri. It was built in 1926, so it is 99 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 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 15 by 2044. The structure is 162 ft (49.4 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 134
CrossesCoon CR
LocationS 13 T 30 N R 31 W
RouteCounty Highway 710
Coordinates37.35144, -94.29692
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating15.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length162 ft (49.4 m)
Longest span48 ft (14.6 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic15 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 134 over Coon CR built?

It was built in 1926, making it 99 years old in 2025.

What condition is County RD 134 over Coon 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 December 2024.

How much traffic does County RD 134 over Coon CR carry?

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

How long is County RD 134 over Coon CR?

The structure is 162 ft (49.4 m) long with a longest span of 48 ft (14.6 m) and a deck 23 ft wide.

Who owns County RD 134 over Coon CR?

It is owned by the County Highway Agency.