US Bridges

HWY 79 over Oak Creek Trib

Good

Lancaster County, Nebraska · 1S Agnew · Structure no. S079 00811

Built
2018
7 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
58 ft
2 main spans
Daily traffic
2,860
2016 count
Owner
State
State Highway Agency

About this bridge

HWY 79 over Oak Creek Trib is a concrete culvert carrying HWY 79 over Oak Creek Trib in Lancaster County, Nebraska. It was built in 2018, so it is 7 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 2,860 vehicles a day, roughly 10% of them trucks, projected to reach 2,860 by 2038. The structure is 58 ft (17.8 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesHWY 79
CrossesOak Creek Trib
Location1S Agnew
RouteState Highway 79
Coordinates41.002, -96.802
Functional classRural Major Collector

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating101.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length58 ft (17.8 m)
Longest span29 ft (8.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,860 (2016)
Projected traffic2,860 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 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 HWY 79 over Oak Creek Trib built?

It was built in 2018, making it 7 years old in 2025.

What condition is HWY 79 over Oak 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 January 2025.

How much traffic does HWY 79 over Oak Creek Trib carry?

About 2,860 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is HWY 79 over Oak Creek Trib?

The structure is 58 ft (17.8 m) long with a longest span of 29 ft (8.7 m).

Who owns HWY 79 over Oak Creek Trib?

It is owned by the State Highway Agency.