US Bridges

Blue Ridge Blvd S over Is 49

Fair

Jackson County, Missouri · S 12 T 47 N R 33 W · Structure no. 6600

Built
1960
65 years old, rebuilt 1979
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
4 main spans
Daily traffic
12,709
2024 count
Owner
State
State Highway Agency

About this bridge

Blue Ridge Blvd S over Is 49 is a steel continuous stringer/multi-beam or girder carrying Blue Ridge Blvd S over Is 49 in Jackson County, Missouri. It was built in 1960 and reconstructed in 1979, so it is 65 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 12,709 vehicles a day, roughly 5% of them trucks, projected to reach 17,157 by 2044. The structure is 243 ft (74.1 m) long and 87 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBlue Ridge Blvd S
CrossesIs 49
LocationS 12 T 47 N R 33 W
RouteCity Street 0
Coordinates38.9082, -94.52378
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length243 ft (74.1 m)
Longest span79 ft (24.1 m)
Deck width87 ft (26.4 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,709 (2024)
Projected traffic17,157 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Blue Ridge Blvd S over Is 49 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1979.

What condition is Blue Ridge Blvd S over Is 49 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 Blue Ridge Blvd S over Is 49 carry?

About 12,709 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Blue Ridge Blvd S over Is 49?

The structure is 243 ft (74.1 m) long with a longest span of 79 ft (24.1 m) and a deck 87 ft wide.

Who owns Blue Ridge Blvd S over Is 49?

It is owned by the State Highway Agency.