US Bridges

COLL7186ANTELOPE R over Stream

Good

Dawes County, Nebraska · WJCTUS20/US38513S 11.1E · Structure no. C002315210

Built
1978
47 years old
Condition
Good
inspected October 2023
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
35
1998 count
Owner
County
County Highway Agency

About this bridge

COLL7186ANTELOPE R over Stream is a concrete channel beam carrying COLL7186ANTELOPE R over Stream in Dawes County, Nebraska. It was built in 1978, so it is 47 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 59 by 2033. The structure is 30 ft (9.1 m) long and 21 ft wide. If it were closed, the detour would be 87 mi (140 km).

CarriesCOLL7186ANTELOPE R
CrossesStream
LocationWJCTUS20/US38513S 11.1E
RouteCounty Highway 7186
Coordinates42.6404, -102.8484
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (1998)
Projected traffic59 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed87 mi (140 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 COLL7186ANTELOPE R over Stream built?

It was built in 1978, making it 47 years old in 2025.

What condition is COLL7186ANTELOPE R over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does COLL7186ANTELOPE R over Stream carry?

About 35 vehicles per day (1998 count).

How long is COLL7186ANTELOPE R over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 21 ft wide.

Who owns COLL7186ANTELOPE R over Stream?

It is owned by the County Highway Agency.