US Bridges

Ave 346 over Muddy Creek

Fair

Dundy County, Nebraska · Njct US34/N61 8E 9.8N · Structure no. C002917305

Built
1935
90 years old, rebuilt 1980
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
150
2024 count
Owner
County
County Highway Agency

About this bridge

Ave 346 over Muddy Creek is a steel stringer/multi-beam or girder carrying Ave 346 over Muddy Creek in Dundy County, Nebraska. It was built in 1935 and reconstructed in 1980, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 150 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2035. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 87 mi (140 km).

Location

Open in Google Maps
CarriesAve 346
CrossesMuddy Creek
LocationNjct US34/N61 8E 9.8N
RouteCounty Highway 1315
CountyDundy County
StateNebraska
Coordinates40.2015, -101.3818
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic150 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed87 mi (140 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ave 346 over Muddy Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1980.

What condition is Ave 346 over Muddy Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does Ave 346 over Muddy Creek carry?

About 150 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Ave 346 over Muddy Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns Ave 346 over Muddy Creek?

It is owned by the County Highway Agency.