US Bridges

Coll 7947/252nd over Stream

Fair

Douglas County, Nebraska · 1W 3N of Waterloo · Structure no. C002801725

Built
1994
31 years old
Condition
Fair
inspected October 2022
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
1,093
2005 count
Owner
County
County Highway Agency

About this bridge

Coll 7947/252nd over Stream is a concrete continuous slab carrying Coll 7947/252nd over Stream in Douglas County, Nebraska. It was built in 1994, so it is 31 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 1,093 vehicles a day, projected to reach 450 by 2033. The structure is 122 ft (37.2 m) long and 32 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesColl 7947/252nd
CrossesStream
Location1W 3N of Waterloo
RouteCounty Highway 7947
CountyDouglas County
StateNebraska
Coordinates41.3308, -96.3115
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span48 ft (14.6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,093 (2005)
Projected traffic450 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 Coll 7947/252nd over Stream built?

It was built in 1994, making it 31 years old in 2025.

What condition is Coll 7947/252nd over Stream 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 October 2022.

How much traffic does Coll 7947/252nd over Stream carry?

About 1,093 vehicles per day (2005 count).

How long is Coll 7947/252nd over Stream?

The structure is 122 ft (37.2 m) long with a longest span of 48 ft (14.6 m) and a deck 32 ft wide.

Who owns Coll 7947/252nd over Stream?

It is owned by the County Highway Agency.