US Bridges

County RD 208 over Br of Grassy CR

Fair

Lewis County, Missouri · S 19 T 61 N R 8 W · Structure no. 31272

Built
2005
20 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 208 over Br of Grassy CR is a concrete slab carrying County RD 208 over Br of Grassy CR in Lewis County, Missouri. It was built in 2005, so it is 20 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 63 by 2044. The structure is 30 ft (9.1 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesCounty RD 208
CrossesBr of Grassy CR
LocationS 19 T 61 N R 8 W
RouteCounty Highway 134
CountyLewis County
StateMissouri
Coordinates40.07453, -91.82778
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
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 evaluation6: Equal to present minimum criteria
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 rating68.5 US tons
Inventory rating41.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic63 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 208 over Br of Grassy CR built?

It was built in 2005, making it 20 years old in 2025.

What condition is County RD 208 over Br of Grassy CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does County RD 208 over Br of Grassy CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 208 over Br of Grassy CR?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 23 ft wide.

Who owns County RD 208 over Br of Grassy CR?

It is owned by the County Highway Agency.