US Bridges

Coll 7448 over Thompson Creek

Good

Franklin County, Nebraska · L & 41 · Structure no. C003122805

Built
1987
38 years old
Condition
Good
inspected October 2021
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
45
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7448 over Thompson Creek is a concrete continuous slab carrying Coll 7448 over Thompson Creek in Franklin County, Nebraska. It was built in 1987, so it is 38 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 45 vehicles a day, projected to reach 76 by 2042. The structure is 142 ft (43.3 m) long and 30 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesColl 7448
CrossesThompson Creek
LocationL & 41
RouteCounty Highway 7448
Coordinates40.1617, -98.7783
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.3 US tons
Inventory rating40.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length142 ft (43.3 m)
Longest span56 ft (17.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (1998)
Projected traffic76 by 2042
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7448 over Thompson Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Coll 7448 over Thompson 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 2021.

How much traffic does Coll 7448 over Thompson Creek carry?

About 45 vehicles per day (1998 count).

How long is Coll 7448 over Thompson Creek?

The structure is 142 ft (43.3 m) long with a longest span of 56 ft (17.1 m) and a deck 30 ft wide.

Who owns Coll 7448 over Thompson Creek?

It is owned by the County Highway Agency.