US Bridges

Roppel RD over Little Coon CR

Good

Montgomery County, Missouri · S 16 T 50 N R 6 W · Structure no. 30734

Built
2003
22 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Roppel RD over Little Coon CR is a steel stringer/multi-beam or girder carrying Roppel RD over Little Coon CR in Montgomery County, Missouri. It was built in 2003, so it is 22 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRoppel RD
CrossesLittle Coon CR
LocationS 16 T 50 N R 6 W
RouteCounty Highway 11
Coordinates39.10167, -91.58156
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic44 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Roppel RD over Little Coon CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Roppel RD over Little Coon CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Roppel RD over Little Coon CR carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Roppel RD over Little Coon CR?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns Roppel RD over Little Coon CR?

It is owned by the County Highway Agency.