US Bridges

Marsh DR over Br of Yellow CR

PoorPosted for load

Linn County, Missouri · S 9 T 59 N R 18 W · Structure no. 17403

Built
1992
33 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
2 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Marsh DR over Br of Yellow CR is a steel stringer/multi-beam or girder carrying Marsh DR over Br of Yellow CR in Linn County, Missouri. It was built in 1992, so it is 33 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 45 ft (13.7 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesMarsh DR
CrossesBr of Yellow CR
LocationS 9 T 59 N R 18 W
RouteCounty Highway 151
Coordinates39.93946, -92.90671
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating18.8 US tons
Inventory rating10.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length45 ft (13.7 m)
Longest span29 ft (8.8 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$366,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Marsh DR over Br of Yellow CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is Marsh DR over Br of Yellow CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Marsh DR over Br of Yellow CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Marsh DR over Br of Yellow CR?

The structure is 45 ft (13.7 m) long with a longest span of 29 ft (8.8 m) and a deck 16 ft wide.

Who owns Marsh DR over Br of Yellow CR?

It is owned by the County Highway Agency.