US Bridges

Coll 7668 over Plummers Branch

Good

Saline County, Nebraska · 4S 3.2W of Wilber · Structure no. C007604015

Built
1969
56 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
125
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7668 over Plummers Branch is a concrete continuous slab carrying Coll 7668 over Plummers Branch in Saline County, Nebraska. It was built in 1969, so it is 56 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, projected to reach 125 by 2033. The structure is 75 ft (22.9 m) long and 27 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesColl 7668
CrossesPlummers Branch
Location4S 3.2W of Wilber
RouteCounty Highway 7668
Coordinates40.4222, -97.0205
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.8 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length75 ft (22.9 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (1998)
Projected traffic125 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7668 over Plummers Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is Coll 7668 over Plummers Branch 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 November 2024.

How much traffic does Coll 7668 over Plummers Branch carry?

About 125 vehicles per day (1998 count).

How long is Coll 7668 over Plummers Branch?

The structure is 75 ft (22.9 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns Coll 7668 over Plummers Branch?

It is owned by the County Highway Agency.