US Bridges

110th ST over Mid Mill CR

Poor

Nodaway County, Missouri · S 31 T 67 N R 37 W · Structure no. 12148

Built
1970
55 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
118 ft
3 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

110th ST over Mid Mill CR is a steel continuous stringer/multi-beam or girder carrying 110th ST over Mid Mill CR in Nodaway County, Missouri. It was built in 1970, so it is 55 years old, older 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 3 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.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 118 ft (36 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries110th ST
CrossesMid Mill CR
LocationS 31 T 67 N R 37 W
RouteCounty Highway 9
Coordinates40.56608, -95.14424
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length118 ft (36 m)
Longest span56 ft (17.1 m)
Deck width21 ft (6.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$821,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 110th ST over Mid Mill CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is 110th ST over Mid Mill 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 December 2024.

How much traffic does 110th ST over Mid Mill CR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 110th ST over Mid Mill CR?

The structure is 118 ft (36 m) long with a longest span of 56 ft (17.1 m) and a deck 21 ft wide.

Who owns 110th ST over Mid Mill CR?

It is owned by the County Highway Agency.