US Bridges

Mo 11 S over Gopher CR

Fair

Linn County, Missouri · S 23 T 60 N R 18 W · Structure no. 5800

Built
1934
91 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
258
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 11 S over Gopher CR is a concrete continuous culvert carrying Mo 11 S over Gopher CR in Linn 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 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 258 vehicles a day, roughly 12% of them trucks, projected to reach 323 by 2044. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesMo 11 S
CrossesGopher CR
LocationS 23 T 60 N R 18 W
RouteState Highway 11
CountyLinn County
StateMissouri
Coordinates39.9966, -92.87484
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.4 US tons
Inventory rating41.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic258 (2024)
Projected traffic323 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 11 S over Gopher CR built?

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

What condition is Mo 11 S over Gopher CR 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 2024.

How much traffic does Mo 11 S over Gopher CR carry?

About 258 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 11 S over Gopher CR?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Mo 11 S over Gopher CR?

It is owned by the State Highway Agency.