US Bridges

Grant ST over Unknown CR

Fair

Cole County, Missouri · S 16 T 44 N R 11 W · Structure no. 19339

Built
1976
49 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
660
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grant ST over Unknown CR is a concrete culvert carrying Grant ST over Unknown CR in Cole County, Missouri. It was built in 1976, so it is 49 years old, older 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 660 vehicles a day, roughly 10% of them trucks, projected to reach 1,089 by 2044. The structure is 36 ft (11 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGrant ST
CrossesUnknown CR
LocationS 16 T 44 N R 11 W
RouteCity Street 0
Coordinates38.56444, -92.14706
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length36 ft (11 m)
Longest span18 ft (5.5 m)
Deck width40 ft (12.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2024)
Projected traffic1,089 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Grant ST over Unknown CR built?

It was built in 1976, making it 49 years old in 2025.

What condition is Grant ST over Unknown 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 October 2023.

How much traffic does Grant ST over Unknown CR carry?

About 660 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Grant ST over Unknown CR?

The structure is 36 ft (11 m) long with a longest span of 18 ft (5.5 m) and a deck 40 ft wide.

Who owns Grant ST over Unknown CR?

It is owned by the City or Municipal Highway Agency.