US Bridges

IRR/N9 over Rattlesnake Creek

Good

Thurston County, Nebraska · 1N Pender · Structure no. S009 01809

Built
1999
26 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
1,820
2018 count
Owner
State
State Highway Agency

About this bridge

IRR/N9 over Rattlesnake Creek is a concrete continuous slab carrying IRR/N9 over Rattlesnake Creek in Thurston County, Nebraska. It was built in 1999, so it is 26 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 1,820 vehicles a day, roughly 14% of them trucks, projected to reach 2,730 by 2038. The structure is 123 ft (37.5 m) long and 42 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesIRR/N9
CrossesRattlesnake Creek
Location1N Pender
RouteState Highway 9
Coordinates42.12, -96.7098
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length123 ft (37.5 m)
Longest span48 ft (14.6 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,820 (2018)
Projected traffic2,730 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR/N9 over Rattlesnake Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is IRR/N9 over Rattlesnake Creek 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 Rattlesnake Creek carry?

About 1,820 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is IRR/N9 over Rattlesnake Creek?

The structure is 123 ft (37.5 m) long with a longest span of 48 ft (14.6 m) and a deck 42 ft wide.

Who owns IRR/N9 over Rattlesnake Creek?

It is owned by the State Highway Agency.