US Bridges

N89 over Milrose Creek

Good

Harlan County, Nebraska · 1W Orleans · Structure no. S089 06062

Built
2007
18 years old
Condition
Good
inspected April 2021
Type
Tee Beam
Prestressed Concrete Continuous
Length
320 ft
6 main spans
Daily traffic
795
2018 count
Owner
State
State Highway Agency

About this bridge

N89 over Milrose Creek is a prestressed concrete continuous tee beam carrying N89 over Milrose Creek in Harlan County, Nebraska. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 795 vehicles a day, roughly 13% of them trucks, projected to reach 1,034 by 2038. The structure is 320 ft (97.5 m) long and 36 ft wide. If it were closed, the detour would be 130.5 mi (210 km).

Location

Open in Google Maps
CarriesN89
CrossesMilrose Creek
Location1W Orleans
RouteState Highway 89
CountyHarlan County
StateNebraska
Coordinates40.1329, -99.4834
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.8 US tons
Inventory rating46.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6 (+5 approach)
Design loadHL 93
Structure length320 ft (97.5 m)
Longest span55 ft (16.8 m)
Deck width36 ft (11.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic795 (2018)
Projected traffic1,034 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed130.5 mi (210 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N89 over Milrose Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is N89 over Milrose 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 April 2021.

How much traffic does N89 over Milrose Creek carry?

About 795 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N89 over Milrose Creek?

The structure is 320 ft (97.5 m) long with a longest span of 55 ft (16.8 m) and a deck 36 ft wide.

Who owns N89 over Milrose Creek?

It is owned by the State Highway Agency.