US Bridges

Liberty RD over Norvey CR

Fair

Nodaway County, Missouri · S 20 T 66 N R 34 W · Structure no. 12701

Built
1960
65 years old, rebuilt 1985
Condition
Fair
inspected December 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Liberty RD over Norvey CR is a prestressed concrete continuous tee beam carrying Liberty RD over Norvey CR in Nodaway County, Missouri. It was built in 1960 and reconstructed in 1985, so it is 65 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 5 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 154 ft (46.9 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLiberty RD
CrossesNorvey CR
LocationS 20 T 66 N R 34 W
RouteCounty Highway 173
CountyNodaway County
StateMissouri
Coordinates40.51626, -94.76456
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating25.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length154 ft (46.9 m)
Longest span45 ft (13.7 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 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 closed5 mi (8 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 Liberty RD over Norvey CR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1985.

What condition is Liberty RD over Norvey 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 Liberty RD over Norvey CR carry?

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

How long is Liberty RD over Norvey CR?

The structure is 154 ft (46.9 m) long with a longest span of 45 ft (13.7 m) and a deck 27 ft wide.

Who owns Liberty RD over Norvey CR?

It is owned by the County Highway Agency.