US Bridges

US136/N89 over Flag Creek

Good

Harlan County, Nebraska · 0W Orleans · Structure no. S136 02245

Built
2003
22 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
1,170
2018 count
Owner
State
State Highway Agency

About this bridge

US136/N89 over Flag Creek is a prestressed concrete continuous tee beam carrying US136/N89 over Flag Creek in Harlan County, Nebraska. It was built in 2003, so it is 22 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 1,170 vehicles a day, roughly 9% of them trucks, projected to reach 1,521 by 2038. The structure is 122 ft (37.2 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS136/N89
CrossesFlag Creek
Location0W Orleans
RouteU.S. Route 136
Coordinates40.1331, -99.4634
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 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length122 ft (37.2 m)
Longest span48 ft (14.6 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,170 (2018)
Projected traffic1,521 by 2038
Trucks9%
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 US136/N89 over Flag Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is US136/N89 over Flag 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 2023.

How much traffic does US136/N89 over Flag Creek carry?

About 1,170 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US136/N89 over Flag Creek?

The structure is 122 ft (37.2 m) long with a longest span of 48 ft (14.6 m) and a deck 46 ft wide.

Who owns US136/N89 over Flag Creek?

It is owned by the State Highway Agency.