US Bridges

James RD over Minnow Br

Fair

Marion County, Missouri · S 30 T 57 N R 4 W · Structure no. 18443

Built
1934
91 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
61 ft
2 main spans
Daily traffic
12,700
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

James RD over Minnow Br is a concrete slab carrying James RD over Minnow Br in Marion County, Missouri. It was built in 1934, so it is 91 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.

It carries about 12,700 vehicles a day, roughly 10% of them trucks, projected to reach 17,145 by 2043. The structure is 61 ft (18.6 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesJames RD
CrossesMinnow Br
LocationS 30 T 57 N R 4 W
RouteCity Street 0
CountyMarion County
StateMissouri
Coordinates39.70581, -91.3875
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length61 ft (18.6 m)
Longest span56 ft (17.1 m)
Deck width55 ft (16.8 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,700 (2023)
Projected traffic17,145 by 2043
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 James RD over Minnow Br built?

It was built in 1934, making it 91 years old in 2025.

What condition is James RD over Minnow Br 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 March 2023.

How much traffic does James RD over Minnow Br carry?

About 12,700 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is James RD over Minnow Br?

The structure is 61 ft (18.6 m) long with a longest span of 56 ft (17.1 m) and a deck 55 ft wide.

Who owns James RD over Minnow Br?

It is owned by the City or Municipal Highway Agency.