US Bridges

Or 49 S over Lit Blue Rvr

Fair

Jackson County, Missouri · S 36 T 47 N R 33 W · Structure no. 35108

Built
1945
80 years old, rebuilt 2015
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
404
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Or 49 S over Lit Blue Rvr is a concrete continuous slab carrying Or 49 S over Lit Blue Rvr in Jackson County, Missouri. It was built in 1945 and reconstructed in 2015, so it is 80 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 404 vehicles a day, roughly 2% of them trucks, projected to reach 525 by 2044. The structure is 75 ft (22.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOr 49 S
CrossesLit Blue Rvr
LocationS 36 T 47 N R 33 W
RouteCity Street 0
Coordinates38.853, -94.52828
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic404 (2024)
Projected traffic525 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal 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 Or 49 S over Lit Blue Rvr built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 2015.

What condition is Or 49 S over Lit Blue Rvr 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 2023.

How much traffic does Or 49 S over Lit Blue Rvr carry?

About 404 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Or 49 S over Lit Blue Rvr?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns Or 49 S over Lit Blue Rvr?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.