US Bridges

549th Ave over Elkhorn River Trib

GoodPosted for load

Madison County, Nebraska · JCT US275/N121 3E 1S · Structure no. C005913125

Built
2001
24 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
150
2011 count
Owner
County
County Highway Agency

About this bridge

549th Ave over Elkhorn River Trib is a steel stringer/multi-beam or girder carrying 549th Ave over Elkhorn River Trib in Madison County, Nebraska. It was built in 2001, so it is 24 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, projected to reach 150 by 2031. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries549th Ave
CrossesElkhorn River Trib
LocationJCT US275/N121 3E 1S
RouteCounty Highway 2917
CountyMadison County
StateNebraska
Coordinates42.0097, -97.5429
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.1 US tons
Inventory rating26.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2011)
Projected traffic150 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 549th Ave over Elkhorn River Trib built?

It was built in 2001, making it 24 years old in 2025.

What condition is 549th Ave over Elkhorn River 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 December 2023.

How much traffic does 549th Ave over Elkhorn River Trib carry?

About 150 vehicles per day (2011 count).

How long is 549th Ave over Elkhorn River Trib?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns 549th Ave over Elkhorn River Trib?

It is owned by the County Highway Agency.