US Bridges

49th ST over Burlington CR

Fair

Platte County, Missouri · S 36 T 51 N R 34 W · Structure no. 21959

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
445
2024 count
Owner
County
County Highway Agency

About this bridge

49th ST over Burlington CR is a concrete culvert carrying 49th ST over Burlington CR in Platte County, Missouri. It was built in 1973, so it is 52 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 445 vehicles a day, roughly 10% of them trucks, projected to reach 846 by 2044. The structure is 31 ft (9.4 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries49th ST
CrossesBurlington CR
LocationS 36 T 51 N R 34 W
RouteCity Street 0
Coordinates39.18408, -94.65211
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than 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 spans3
Design loadOther
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic445 (2024)
Projected traffic846 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

OwnerCounty Highway Agency
Maintained byOther Local 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 49th ST over Burlington CR built?

It was built in 1973, making it 52 years old in 2025.

What condition is 49th ST over Burlington 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 April 2024.

How much traffic does 49th ST over Burlington CR carry?

About 445 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 49th ST over Burlington CR?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns 49th ST over Burlington CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.