US Bridges

Irr/County Highway over South Omaha Creek

Poor

Thurston County, Nebraska · 2.7S of Walthill · Structure no. C008722635

Built
1910
115 years old, rebuilt 1998
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
25
2003 count
Owner
County
County Highway Agency

About this bridge

Irr/County Highway over South Omaha Creek is a steel stringer/multi-beam or girder carrying Irr/County Highway over South Omaha Creek in Thurston County, Nebraska. It was built in 1910 and reconstructed in 1998, 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.

It carries about 25 vehicles a day, projected to reach 33 by 2042. The structure is 50 ft (15.2 m) long and 23 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesIrr/County Highway
CrossesSouth Omaha Creek
Location2.7S of Walthill
RouteCounty Highway 226
Coordinates42.1044, -96.4959
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating99.2 US tons
Inventory rating59.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic33 by 2042
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 Irr/County Highway over South Omaha Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1998.

What condition is Irr/County Highway over South Omaha 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 December 2024.

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

About 25 vehicles per day (2003 count).

How long is Irr/County Highway over South Omaha Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.

Who owns Irr/County Highway over South Omaha Creek?

It is owned by the County Highway Agency.