US Bridges

W Main ST over Second ST

Fair

Jackson County, Missouri · S 31 T 47 N R 31 W · Structure no. 20024

Built
1971
54 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete Continuous
Length
115 ft
3 main spans
Daily traffic
1,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Main ST over Second ST is a concrete continuous slab carrying W Main ST over Second ST in Jackson County, Missouri. It was built in 1971, so it is 54 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 1,000 vehicles a day, roughly 20% of them trucks, projected to reach 1,300 by 2044. The structure is 115 ft (35.1 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesW Main ST
CrossesSecond ST
LocationS 31 T 47 N R 31 W
RouteCity Street 0
CountyJackson County
StateMissouri
Coordinates38.91335, -94.3788
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length115 ft (35.1 m)
Longest span58 ft (17.7 m)
Deck width34 ft (10.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,300 by 2044
Trucks20%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$808,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was W Main ST over Second ST built?

It was built in 1971, making it 54 years old in 2025.

What condition is W Main ST over Second ST 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 January 2023.

How much traffic does W Main ST over Second ST carry?

About 1,000 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is W Main ST over Second ST?

The structure is 115 ft (35.1 m) long with a longest span of 58 ft (17.7 m) and a deck 34 ft wide.

Who owns W Main ST over Second ST?

It is owned by the City or Municipal Highway Agency.