US Bridges

Coll 7663 over Little Blue River

Good

Thayer County, Nebraska · 3.2E .1S Hebron · Structure no. C008503305P

Built
1984
41 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
262 ft
3 main spans
Daily traffic
100
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7663 over Little Blue River is a steel continuous stringer/multi-beam or girder carrying Coll 7663 over Little Blue River in Thayer County, Nebraska. It was built in 1984, so it is 41 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 100 vehicles a day, projected to reach 100 by 2033. The structure is 262 ft (79.9 m) long and 30 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesColl 7663
CrossesLittle Blue River
Location3.2E .1S Hebron
RouteCounty Highway 7663
Coordinates40.1591, -97.5152
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating22 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length262 ft (79.9 m)
Longest span104 ft (31.7 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1998)
Projected traffic100 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7663 over Little Blue River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Coll 7663 over Little Blue River 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 December 2024.

How much traffic does Coll 7663 over Little Blue River carry?

About 100 vehicles per day (1998 count).

How long is Coll 7663 over Little Blue River?

The structure is 262 ft (79.9 m) long with a longest span of 104 ft (31.7 m) and a deck 30 ft wide.

Who owns Coll 7663 over Little Blue River?

It is owned by the County Highway Agency.