US Bridges

Blue Ridge Blvd over Mo Route 12

FairPosted for load

Jackson County, Missouri · S 5 T 49 N R 32 W · Structure no. 13593

Built
1906
119 years old
Condition
Fair
inspected February 2023
Type
Arch - Deck
Concrete
Length
86 ft
1 main span
Daily traffic
3,459
2024 count
Owner
County
County Highway Agency

About this bridge

Blue Ridge Blvd over Mo Route 12 is a concrete arch - deck carrying Blue Ridge Blvd over Mo Route 12 in Jackson County, Missouri. It was built in 1906, so it is 119 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 3,459 vehicles a day, roughly 10% of them trucks, projected to reach 4,497 by 2044. The structure is 86 ft (26.2 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesBlue Ridge Blvd
CrossesMo Route 12
LocationS 5 T 49 N R 32 W
RouteCity Street 4200
Coordinates39.09239, -94.47742
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length86 ft (26.2 m)
Longest span69 ft (21 m)
Deck width62 ft (19 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,459 (2024)
Projected traffic4,497 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible 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 over Mo Route 12 built?

It was built in 1906, making it 119 years old in 2025.

What condition is Blue Ridge Blvd over Mo Route 12 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 Blue Ridge Blvd over Mo Route 12 carry?

About 3,459 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Blue Ridge Blvd over Mo Route 12?

The structure is 86 ft (26.2 m) long with a longest span of 69 ft (21 m) and a deck 62 ft wide.

Who owns Blue Ridge Blvd over Mo Route 12?

It is owned by the County Highway Agency.