US Bridges

Coll 7734 over Stream

FairPosted for load

Jefferson County, Nebraska · 3S 3.2W of Plymouth · Structure no. C004801425

Built
1935
90 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
50
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7734 over Stream is a steel stringer/multi-beam or girder carrying Coll 7734 over Stream in Jefferson County, Nebraska. It was built in 1935, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 85 by 2033. The structure is 50 ft (15.2 m) long and 24 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesColl 7734
CrossesStream
Location3S 3.2W of Plymouth
RouteCounty Highway 7734
Coordinates40.2626, -97.0527
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating7.7 US tons
Inventory rating5.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1998)
Projected traffic85 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coll 7734 over Stream built?

It was built in 1935, making it 90 years old in 2025.

What condition is Coll 7734 over Stream 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 2024.

How much traffic does Coll 7734 over Stream carry?

About 50 vehicles per day (1998 count).

How long is Coll 7734 over Stream?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 24 ft wide.

Who owns Coll 7734 over Stream?

It is owned by the County Highway Agency.