US Bridges

177th ST over Trib of 102 Rvr

GoodPosted for load

Nodaway County, Missouri · S 5 T 65 N R 35 W · Structure no. 13053

Built
1987
38 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

177th ST over Trib of 102 Rvr is a steel stringer/multi-beam or girder carrying 177th ST over Trib of 102 Rvr in Nodaway County, Missouri. It was built in 1987, so it is 38 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. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 74 ft (22.6 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries177th ST
CrossesTrib of 102 Rvr
LocationS 5 T 65 N R 35 W
RouteCounty Highway 271
Coordinates40.46459, -94.858
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
Deck7 GoodSome minor problems.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating15.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 177th ST over Trib of 102 Rvr built?

It was built in 1987, making it 38 years old in 2025.

What condition is 177th ST over Trib of 102 Rvr 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 177th ST over Trib of 102 Rvr carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 177th ST over Trib of 102 Rvr?

The structure is 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 20 ft wide.

Who owns 177th ST over Trib of 102 Rvr?

It is owned by the County Highway Agency.