US Bridges

County RD 489th Av over Trib Wallace Creek

Fair

Greeley County, Nebraska · JCT N11/22 1.8E 8.2N · Structure no. C003900705

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
85
2011 count
Owner
County
County Highway Agency

About this bridge

County RD 489th Av over Trib Wallace Creek is a concrete slab carrying County RD 489th Av over Trib Wallace Creek in Greeley County, Nebraska. It was built in 1961, so it is 64 years old, older 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 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 85 vehicles a day, projected to reach 85 by 2033. The structure is 30 ft (9.1 m) long and 29 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

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CarriesCounty RD 489th Av
CrossesTrib Wallace Creek
LocationJCT N11/22 1.8E 8.2N
RouteCounty Highway 2325
CountyGreeley County
StateNebraska
Coordinates41.5825, -98.6943
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2011)
Projected traffic85 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 489th Av over Trib Wallace Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is County RD 489th Av over Trib Wallace 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 November 2024.

How much traffic does County RD 489th Av over Trib Wallace Creek carry?

About 85 vehicles per day (2011 count).

How long is County RD 489th Av over Trib Wallace Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 29 ft wide.

Who owns County RD 489th Av over Trib Wallace Creek?

It is owned by the County Highway Agency.