US Bridges

IRR/N9 over Middle Creek Trib

Good

Thurston County, Nebraska · 9N Pender · Structure no. S009 02655

Built
1960
65 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
1,465
2018 count
Owner
State
State Highway Agency

About this bridge

IRR/N9 over Middle Creek Trib is a concrete culvert carrying IRR/N9 over Middle Creek Trib in Thurston County, Nebraska. It was built in 1960, so it is 65 years old, older 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 1,465 vehicles a day, roughly 14% of them trucks, projected to reach 2,124 by 2038. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesIRR/N9
CrossesMiddle Creek Trib
Location9N Pender
RouteState Highway 9
Coordinates42.2371, -96.7264
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,465 (2018)
Projected traffic2,124 by 2038
Trucks14%
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

OwnerState Highway Agency
Maintained byState 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/N9 over Middle Creek Trib built?

It was built in 1960, making it 65 years old in 2025.

What condition is IRR/N9 over Middle Creek Trib 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 September 2024.

How much traffic does IRR/N9 over Middle Creek Trib carry?

About 1,465 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is IRR/N9 over Middle Creek Trib?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns IRR/N9 over Middle Creek Trib?

It is owned by the State Highway Agency.