US Bridges

Marquand ST over Br of Castor Rvr

FairPosted for load

Madison County, Missouri · S 28 T 32 N R 8 E · Structure no. 20613

Built
1935
90 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

Marquand ST over Br of Castor Rvr is a concrete culvert carrying Marquand ST over Br of Castor Rvr in Madison County, Missouri. It was built in 1935, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 78 by 2044. The structure is 47 ft (14.3 m) long and 13 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesMarquand ST
CrossesBr of Castor Rvr
LocationS 28 T 32 N R 8 E
RouteCity Street 0
CountyMadison County
StateMissouri
Coordinates37.42856, -90.16653
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating10.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length47 ft (14.3 m)
Longest span12 ft (3.7 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic78 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Marquand ST over Br of Castor Rvr built?

It was built in 1935, making it 90 years old in 2025.

What condition is Marquand ST over Br of Castor 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 December 2023.

How much traffic does Marquand ST over Br of Castor Rvr carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Marquand ST over Br of Castor Rvr?

The structure is 47 ft (14.3 m) long with a longest span of 12 ft (3.7 m) and a deck 13 ft wide.

Who owns Marquand ST over Br of Castor Rvr?

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