US Bridges

Irr/Township Road over Stream

Good

Dakota County, Nebraska · 6W US77 Thurston Cl · Structure no. C002203610

Built
1988
37 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

Irr/Township Road over Stream is a prestressed concrete tee beam carrying Irr/Township Road over Stream in Dakota County, Nebraska. It was built in 1988, so it is 37 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 43 by 2033. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesIrr/Township Road
CrossesStream
Location6W US77 Thurston Cl
RouteCounty Highway 36
CountyDakota County
StateNebraska
Coordinates42.2783, -96.6017
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.7 US tons
Inventory rating44.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2003)
Projected traffic43 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Irr/Township Road over Stream built?

It was built in 1988, making it 37 years old in 2025.

What condition is Irr/Township Road over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Irr/Township Road over Stream carry?

About 30 vehicles per day (2003 count).

How long is Irr/Township Road over Stream?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns Irr/Township Road over Stream?

It is owned by the County Highway Agency.