US Bridges

State Line RD over Dykes Br

FairPosted for load

Jackson County, Missouri · S 19 T 48 N R 33 W · Structure no. 25495

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
10,218
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

State Line RD over Dykes Br is a concrete culvert carrying State Line RD over Dykes Br in Jackson County, Missouri. It was built in 1955, so it is 70 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10,218 vehicles a day, roughly 4% of them trucks, projected to reach 13,283 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesState Line RD
CrossesDykes Br
LocationS 19 T 48 N R 33 W
RouteCity Street 0
Coordinates38.96557, -94.60813
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,218 (2024)
Projected traffic13,283 by 2044
Trucks4%
Lanes on structure4
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 State Line RD over Dykes Br built?

It was built in 1955, making it 70 years old in 2025.

What condition is State Line RD over Dykes Br 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 April 2024.

How much traffic does State Line RD over Dykes Br carry?

About 10,218 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is State Line RD over Dykes Br?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns State Line RD over Dykes Br?

It is owned by the City or Municipal Highway Agency.