US Bridges

US73 over Mackelroy Creek

Good

Richardson County, Nebraska · 7N Falls City · Structure no. S073 01232

Built
1933
92 years old, rebuilt 1975
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
112 ft
3 main spans
Daily traffic
2,020
2018 count
Owner
State
State Highway Agency

About this bridge

US73 over Mackelroy Creek is a steel continuous stringer/multi-beam or girder carrying US73 over Mackelroy Creek in Richardson County, Nebraska. It was built in 1933 and reconstructed in 1975, so it is 92 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 2,020 vehicles a day, roughly 10% of them trucks, projected to reach 2,424 by 2038. The structure is 112 ft (34.1 m) long and 47 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS73
CrossesMackelroy Creek
Location7N Falls City
RouteU.S. Route 73
Coordinates40.1456, -95.6481
Functional classRural Principal Arterial - Other

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length112 ft (34.1 m)
Longest span50 ft (15.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,020 (2018)
Projected traffic2,424 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes

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 US73 over Mackelroy Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1975.

What condition is US73 over Mackelroy 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 August 2024.

How much traffic does US73 over Mackelroy Creek carry?

About 2,020 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is US73 over Mackelroy Creek?

The structure is 112 ft (34.1 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.

Who owns US73 over Mackelroy Creek?

It is owned by the State Highway Agency.