US Bridges

Coll 7748 over W Fk Big Blue River

FairClosed to traffic

Seward County, Nebraska · SW Edge Beaver Crossing · Structure no. C008004010

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
2 main spans
Daily traffic
185
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7748 over W Fk Big Blue River is a steel stringer/multi-beam or girder carrying Coll 7748 over W Fk Big Blue River in Seward County, Nebraska. It was built in 1970, so it is 55 years old, older 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. Its operating status is: closed to all traffic.

It carries about 185 vehicles a day, projected to reach 314 by 2033. The structure is 131 ft (39.9 m) long and 22 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesColl 7748
CrossesW Fk Big Blue River
LocationSW Edge Beaver Crossing
RouteCounty Highway 7748
CountySeward County
StateNebraska
Coordinates40.7712, -97.2812
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; extensive scour has occurred
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans2
Design loadUnknown
Structure length131 ft (39.9 m)
Longest span80 ft (24.4 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (1998)
Projected traffic314 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7748 over W Fk Big Blue River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Coll 7748 over W Fk Big Blue River 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 2024.

How much traffic does Coll 7748 over W Fk Big Blue River carry?

About 185 vehicles per day (1998 count).

How long is Coll 7748 over W Fk Big Blue River?

The structure is 131 ft (39.9 m) long with a longest span of 80 ft (24.4 m) and a deck 22 ft wide.

Who owns Coll 7748 over W Fk Big Blue River?

It is owned by the County Highway Agency.