US Bridges

Mahogany RD over Trib of Norvey CR

Good

Nodaway County, Missouri · S 15 T 66 N R 34 W · Structure no. 34466

Built
2012
13 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

Mahogany RD over Trib of Norvey CR is a steel stringer/multi-beam or girder carrying Mahogany RD over Trib of Norvey CR in Nodaway County, Missouri. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 75 ft (23 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMahogany RD
CrossesTrib of Norvey CR
LocationS 15 T 66 N R 34 W
RouteCounty Highway 201
Coordinates40.52061, -94.74537
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length75 ft (23 m)
Longest span74 ft (22.5 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.4 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 closed3.7 mi (6 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 Mahogany RD over Trib of Norvey CR built?

It was built in 2012, making it 13 years old in 2025.

What condition is Mahogany RD over Trib of Norvey CR 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 Mahogany RD over Trib of Norvey CR carry?

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

How long is Mahogany RD over Trib of Norvey CR?

The structure is 75 ft (23 m) long with a longest span of 74 ft (22.5 m) and a deck 25 ft wide.

Who owns Mahogany RD over Trib of Norvey CR?

It is owned by the County Highway Agency.