US Bridges

Irr/County Highway over Logan Creek

PoorPosted for load

Thurston County, Nebraska · 3.5S 4.8W Emerson · Structure no. C008700805P

Built
1910
115 years old
Condition
Poor
inspected October 2023
Type
Truss - Thru
Steel
Length
184 ft
1 main span
Daily traffic
20
2011 count
Owner
County
County Highway Agency

About this bridge

Irr/County Highway over Logan Creek is a steel truss - thru carrying Irr/County Highway over Logan Creek in Thurston County, Nebraska. It was built in 1910, so it is 115 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 20 vehicles a day, projected to reach 25 by 2033. The structure is 184 ft (56.1 m) long and 16 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesIrr/County Highway
CrossesLogan Creek
Location3.5S 4.8W Emerson
RouteCounty Highway 0P8
Coordinates42.2248, -96.8196
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
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating9.9 US tons
Inventory rating5.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length184 ft (56.1 m)
Longest span120 ft (36.6 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck18 ft (5.4 m)

Traffic and service

Average daily traffic20 (2011)
Projected traffic25 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 Irr/County Highway over Logan Creek built?

It was built in 1910, making it 115 years old in 2025.

What condition is Irr/County Highway over Logan 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 October 2023.

How much traffic does Irr/County Highway over Logan Creek carry?

About 20 vehicles per day (2011 count).

How long is Irr/County Highway over Logan Creek?

The structure is 184 ft (56.1 m) long with a longest span of 120 ft (36.6 m) and a deck 16 ft wide.

Who owns Irr/County Highway over Logan Creek?

It is owned by the County Highway Agency.