US Bridges

Coll 7948 over Silver Creek

Fair

Burt County, Nebraska · 12S .5W of Decatur · Structure no. C001103110P

Built
1991
34 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
60
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7948 over Silver Creek is a concrete culvert carrying Coll 7948 over Silver Creek in Burt County, Nebraska. It was built in 1991, so it is 34 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 60 vehicles a day, projected to reach 60 by 2033. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 37.3 mi (60 km).

CarriesColl 7948
CrossesSilver Creek
Location12S .5W of Decatur
RouteCounty Highway 7948
Coordinates41.8383, -96.2602
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1998)
Projected traffic60 by 2033
Trucks0%
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

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 7948 over Silver Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Coll 7948 over Silver 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 September 2024.

How much traffic does Coll 7948 over Silver Creek carry?

About 60 vehicles per day (1998 count).

How long is Coll 7948 over Silver Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Coll 7948 over Silver Creek?

It is owned by the County Highway Agency.