US Bridges

Coll 7403 over South Loup River

Good

Buffalo County, Nebraska · 4N 5E 2N 1E Miller · Structure no. C001020615

Built
1980
45 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
172 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Coll 7403 over South Loup River is a steel continuous stringer/multi-beam or girder carrying Coll 7403 over South Loup River in Buffalo County, Nebraska. It was built in 1980, so it is 45 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 50 vehicles a day, projected to reach 70 by 2042. The structure is 172 ft (52.4 m) long and 30 ft wide. If it were closed, the detour would be 161.6 mi (260 km).

Location

Open in Google Maps
CarriesColl 7403
CrossesSouth Loup River
Location4N 5E 2N 1E Miller
RouteCounty Highway 7403
CountyBuffalo County
StateNebraska
Coordinates41.0176, -99.2757
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length172 ft (52.4 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed161.6 mi (260 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 7403 over South Loup River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Coll 7403 over South Loup 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 October 2023.

How much traffic does Coll 7403 over South Loup River carry?

About 50 vehicles per day (2023 count).

How long is Coll 7403 over South Loup River?

The structure is 172 ft (52.4 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns Coll 7403 over South Loup River?

It is owned by the County Highway Agency.