US Bridges

County RD 248 over Troublesome CR

Good

Lewis County, Missouri · S 29 T 60 N R 8 W · Structure no. 20140

Built
1990
35 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 248 over Troublesome CR is a steel stringer/multi-beam or girder carrying County RD 248 over Troublesome CR in Lewis County, Missouri. It was built in 1990, so it is 35 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 2044. The structure is 70 ft (21.3 m) long and 18 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 248
CrossesTroublesome CR
LocationS 29 T 60 N R 8 W
RouteCounty Highway 248
Coordinates39.97497, -91.82425
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating13.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County RD 248 over Troublesome CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is County RD 248 over Troublesome 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 2024.

How much traffic does County RD 248 over Troublesome CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 248 over Troublesome CR?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 18 ft wide.

Who owns County RD 248 over Troublesome CR?

It is owned by the County Highway Agency.