US Bridges

S 70th ST over Antelope Creek Trib

Good

Lancaster County, Nebraska · S 70th @ Antler Drive · Structure no. U142503110

Built
1999
26 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
27,520
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

S 70th ST over Antelope Creek Trib is a concrete culvert carrying S 70th ST over Antelope Creek Trib in Lancaster 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 27,520 vehicles a day, roughly 1% of them trucks, projected to reach 28,000 by 2042. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesS 70th ST
CrossesAntelope Creek Trib
LocationS 70th @ Antler Drive
RouteCity Street 5247
Coordinates40.7603, -96.6253
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,520 (2019)
Projected traffic28,000 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 S 70th ST over Antelope Creek Trib built?

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

What condition is S 70th ST over Antelope 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 September 2023.

How much traffic does S 70th ST over Antelope Creek Trib carry?

About 27,520 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is S 70th ST over Antelope Creek Trib?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns S 70th ST over Antelope Creek Trib?

It is owned by the City or Municipal Highway Agency.