US Bridges

178th Road over Br of Lit Rock CR

Good

Worth County, Missouri · S 1 T 65 N R 30 W · Structure no. 33869

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

178th Road over Br of Lit Rock CR is a steel stringer/multi-beam or girder carrying 178th Road over Br of Lit Rock CR in Worth County, Missouri. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 66 ft (20 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries178th Road
CrossesBr of Lit Rock CR
LocationS 1 T 65 N R 30 W
RouteCounty Highway 195
CountyWorth County
StateMissouri
Coordinates40.4608, -94.22435
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20 m)
Longest span64 ft (19.4 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 178th Road over Br of Lit Rock CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is 178th Road over Br of Lit Rock 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 December 2024.

How much traffic does 178th Road over Br of Lit Rock CR carry?

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

How long is 178th Road over Br of Lit Rock CR?

The structure is 66 ft (20 m) long with a longest span of 64 ft (19.4 m) and a deck 18 ft wide.

Who owns 178th Road over Br of Lit Rock CR?

It is owned by the County Highway Agency.