US Bridges

120th ST over Clear Creek

Good

Nodaway County, Missouri · S 2 T 66 N R 36 W · Structure no. 35700

Built
2017
8 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
17
2024 count
Owner
County
County Highway Agency

About this bridge

120th ST over Clear Creek is a steel stringer/multi-beam or girder carrying 120th ST over Clear Creek in Nodaway County, Missouri. It was built in 2017, so it is 8 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2044. The structure is 90 ft (27.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries120th ST
CrossesClear Creek
LocationS 2 T 66 N R 36 W
RouteCounty Highway 69
Coordinates40.54889, -94.94222
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span89 ft (27.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2024)
Projected traffic20 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 120th ST over Clear Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is 120th ST over Clear Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does 120th ST over Clear Creek carry?

About 17 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 120th ST over Clear Creek?

The structure is 90 ft (27.4 m) long with a longest span of 89 ft (27.1 m) and a deck 25 ft wide.

Who owns 120th ST over Clear Creek?

It is owned by the County Highway Agency.