US Bridges

644 Av - 717 RD over Stream

FairPosted for load

Richardson County, Nebraska · 1E 1S Stella (644A-717R) · Structure no. C007442925

Built
1935
90 years old, rebuilt 1953
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
62 ft
1 main span
Daily traffic
45
2021 count
Owner
County
County Highway Agency

About this bridge

644 Av - 717 RD over Stream is a steel girder and floorbeam system carrying 644 Av - 717 RD over Stream in Richardson County, Nebraska. It was built in 1935 and reconstructed in 1953, 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 45 vehicles a day, projected to reach 58 by 2040. The structure is 62 ft (18.9 m) long and 27 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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Carries644 Av - 717 RD
CrossesStream
Location1E 1S Stella (644A-717R)
RouteCounty Highway 429
CountyRichardson County
StateNebraska
Coordinates40.2184, -95.7474
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating16.5 US tons
Inventory rating8.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2021)
Projected traffic58 by 2040
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 644 Av - 717 RD over Stream built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1953.

What condition is 644 Av - 717 RD 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 August 2023.

How much traffic does 644 Av - 717 RD over Stream carry?

About 45 vehicles per day (2021 count).

How long is 644 Av - 717 RD over Stream?

The structure is 62 ft (18.9 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns 644 Av - 717 RD over Stream?

It is owned by the County Highway Agency.