US Bridges

Coll 7807 over Laflins Branch

Fair

Gage County, Nebraska · 1.5E 6.5S of Adams · Structure no. C003414730

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
90
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7807 over Laflins Branch is a steel stringer/multi-beam or girder carrying Coll 7807 over Laflins Branch in Gage 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 90 vehicles a day, projected to reach 153 by 2033. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesColl 7807
CrossesLaflins Branch
Location1.5E 6.5S of Adams
RouteCounty Highway 7807
CountyGage County
StateNebraska
Coordinates40.3557, -96.4828
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.9 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOther
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (1998)
Projected traffic153 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7807 over Laflins Branch built?

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

What condition is Coll 7807 over Laflins Branch 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 2023.

How much traffic does Coll 7807 over Laflins Branch carry?

About 90 vehicles per day (1998 count).

How long is Coll 7807 over Laflins Branch?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 25 ft wide.

Who owns Coll 7807 over Laflins Branch?

It is owned by the County Highway Agency.