US Bridges

717 RD-631/632 Av over Long Branch

PoorPosted for load

Richardson County, Nebraska · 3N 1.7W HUMB(717-631/632) · Structure no. C007400805

Built
1915
110 years old
Condition
Poor
inspected July 2023
Type
Truss - Thru
Steel
Length
140 ft
1 main span
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

717 RD-631/632 Av over Long Branch is a steel truss - thru carrying 717 RD-631/632 Av over Long Branch in Richardson County, Nebraska. It was built in 1915, so it is 110 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 45 by 2033. The structure is 140 ft (42.7 m) long and 18 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Carries717 RD-631/632 Av
CrossesLong Branch
Location3N 1.7W HUMB(717-631/632)
RouteCounty Highway 8
Coordinates40.218, -95.987
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating8.8 US tons
Inventory rating5.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length140 ft (42.7 m)
Longest span90 ft (27.4 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic45 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 717 RD-631/632 Av over Long Branch built?

It was built in 1915, making it 110 years old in 2025.

What condition is 717 RD-631/632 Av over Long Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does 717 RD-631/632 Av over Long Branch carry?

About 35 vehicles per day (2003 count).

How long is 717 RD-631/632 Av over Long Branch?

The structure is 140 ft (42.7 m) long with a longest span of 90 ft (27.4 m) and a deck 18 ft wide.

Who owns 717 RD-631/632 Av over Long Branch?

It is owned by the County Highway Agency.