US Bridges

Coll 7378 over Buffalo Creek

Good

Dawson County, Nebraska · 1S US30 Buffalo Cl · Structure no. C002408505

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
30
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7378 over Buffalo Creek is a prestressed concrete tee beam carrying Coll 7378 over Buffalo Creek in Dawson County, Nebraska. It was built in 2005, so it is 20 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 51 by 2033. The structure is 68 ft (20.7 m) long and 31 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesColl 7378
CrossesBuffalo Creek
Location1S US30 Buffalo Cl
RouteCounty Highway 7378
Coordinates40.7033, -99.4265
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating108 US tons
Inventory rating54 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span66 ft (20.1 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1998)
Projected traffic51 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 7378 over Buffalo Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Coll 7378 over Buffalo Creek 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 7378 over Buffalo Creek carry?

About 30 vehicles per day (1998 count).

How long is Coll 7378 over Buffalo Creek?

The structure is 68 ft (20.7 m) long with a longest span of 66 ft (20.1 m) and a deck 31 ft wide.

Who owns Coll 7378 over Buffalo Creek?

It is owned by the County Highway Agency.