US Bridges

County Highway over Big Blue River

Good

Seward County, Nebraska · 1.5N 1.7W of Seward · Structure no. C008011610

Built
2002
23 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
75
1997 count
Owner
County
County Highway Agency

About this bridge

County Highway over Big Blue River is a concrete continuous slab carrying County Highway over Big Blue River in Seward County, Nebraska. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, projected to reach 108 by 2033. The structure is 112 ft (34.1 m) long and 30 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesCounty Highway
CrossesBig Blue River
Location1.5N 1.7W of Seward
RouteCounty Highway 116
Coordinates40.945, -97.1317
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.1 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (1997)
Projected traffic108 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Big Blue River built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Highway over Big 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 September 2023.

How much traffic does County Highway over Big Blue River carry?

About 75 vehicles per day (1997 count).

How long is County Highway over Big Blue River?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns County Highway over Big Blue River?

It is owned by the County Highway Agency.