US Bridges

N22 over Looking Glass Creek

Fair

Platte County, Nebraska · 4W Monroe · Structure no. S022 07710

Built
1979
46 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
119 ft
3 main spans
Daily traffic
3,890
2018 count
Owner
State
State Highway Agency

About this bridge

N22 over Looking Glass Creek is a prestressed concrete tee beam carrying N22 over Looking Glass Creek in Platte County, Nebraska. It was built in 1979, so it is 46 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 3,890 vehicles a day, roughly 14% of them trucks, projected to reach 5,835 by 2038. The structure is 119 ft (36.3 m) long and 42 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesN22
CrossesLooking Glass Creek
Location4W Monroe
RouteState Highway 22
CountyPlatte County
StateNebraska
Coordinates41.4748, -97.6827
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating45.2 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,890 (2018)
Projected traffic5,835 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 N22 over Looking Glass Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is N22 over Looking Glass Creek 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 June 2023.

How much traffic does N22 over Looking Glass Creek carry?

About 3,890 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N22 over Looking Glass Creek?

The structure is 119 ft (36.3 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns N22 over Looking Glass Creek?

It is owned by the State Highway Agency.