US Bridges

12 ST over Little Nemaha Riv So Fk

PoorPosted for load

Otoe County, Nebraska · 2W 1.5N Burr · Structure no. C006601315P

Built
1935
90 years old
Condition
Poor
inspected July 2023
Type
Truss - Thru
Steel
Length
61 ft
1 main span
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

12 ST over Little Nemaha Riv So Fk is a steel truss - thru carrying 12 ST over Little Nemaha Riv So Fk in Otoe County, Nebraska. It was built in 1935, 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 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 30 vehicles a day, projected to reach 51 by 2033. The structure is 61 ft (18.6 m) long and 14 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Carries12 ST
CrossesLittle Nemaha Riv So Fk
Location2W 1.5N Burr
RouteCounty Highway 0P13
Coordinates40.5603, -96.3453
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; extensive scour has occurred
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating11 US tons
Inventory rating6.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span60 ft (18.3 m)
Deck width14 ft (4.2 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2003)
Projected traffic51 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 12 ST over Little Nemaha Riv So Fk built?

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

What condition is 12 ST over Little Nemaha Riv So Fk 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 12 ST over Little Nemaha Riv So Fk carry?

About 30 vehicles per day (2003 count).

How long is 12 ST over Little Nemaha Riv So Fk?

The structure is 61 ft (18.6 m) long with a longest span of 60 ft (18.3 m) and a deck 14 ft wide.

Who owns 12 ST over Little Nemaha Riv So Fk?

It is owned by the County Highway Agency.