US Bridges

County RD 110 over Coon CR

PoorPosted for load

Jasper County, Missouri · S 16 T 30 N R 30 W · Structure no. 14074

Built
1900
125 years old, rebuilt 1986
Condition
Poor
inspected December 2024
Type
Truss - Thru
Steel
Length
83 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 110 over Coon CR is a steel truss - thru carrying County RD 110 over Coon CR in Jasper County, Missouri. It was built in 1900 and reconstructed in 1986, so it is 125 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2044. The structure is 83 ft (25.3 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty RD 110
CrossesCoon CR
LocationS 16 T 30 N R 30 W
RouteCounty Highway 56
CountyJasper County
StateMissouri
Coordinates37.34619, -94.24716
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 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 rating34.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length83 ft (25.3 m)
Longest span80 ft (24.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic150 by 2044
Trucks5%
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$773,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 110 over Coon CR built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1986.

What condition is County RD 110 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 110 over Coon CR carry?

About 100 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is County RD 110 over Coon CR?

The structure is 83 ft (25.3 m) long with a longest span of 80 ft (24.4 m) and a deck 20 ft wide.

Who owns County RD 110 over Coon CR?

It is owned by the County Highway Agency.