US Bridges

Bluff Road over Plum Creek

PoorPosted for load

Seward County, Nebraska · E Edge of Seward · Structure no. C008002015

Built
1967
58 years old
Condition
Poor
inspected June 2023
Type
Truss - Thru
Steel
Length
101 ft
1 main span
Daily traffic
100
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bluff Road over Plum Creek is a steel truss - thru carrying Bluff Road over Plum Creek in Seward County, Nebraska. It was built in 1967, so it is 58 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 4 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2033. The structure is 101 ft (30.8 m) long and 24 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesBluff Road
CrossesPlum Creek
LocationE Edge of Seward
RouteCounty Highway SDHIL
Coordinates40.9159, -97.0815
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.3 US tons
Inventory rating7.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1 (+2 approach)
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2003)
Projected traffic170 by 2033
Trucks10%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bluff Road over Plum Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Bluff Road over Plum Creek 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 June 2023.

How much traffic does Bluff Road over Plum Creek carry?

About 100 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Bluff Road over Plum Creek?

The structure is 101 ft (30.8 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Bluff Road over Plum Creek?

It is owned by the City or Municipal Highway Agency.