US Bridges

FAS 3670 over Muddy Creek

Good

Nemaha County, Nebraska · 3S 5W Auburn · Structure no. C006401525

Built
1984
41 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
55
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 3670 over Muddy Creek is a steel continuous stringer/multi-beam or girder carrying FAS 3670 over Muddy Creek in Nemaha County, Nebraska. It was built in 1984, so it is 41 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 55 vehicles a day, projected to reach 55 by 2033. The structure is 183 ft (55.8 m) long and 30 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesFAS 3670
CrossesMuddy Creek
Location3S 5W Auburn
RouteCounty Highway 3670
Coordinates40.3336, -95.9352
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length183 ft (55.8 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2011)
Projected traffic55 by 2033
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 3670 over Muddy Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is FAS 3670 over Muddy 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 November 2024.

How much traffic does FAS 3670 over Muddy Creek carry?

About 55 vehicles per day (2011 count).

How long is FAS 3670 over Muddy Creek?

The structure is 183 ft (55.8 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns FAS 3670 over Muddy Creek?

It is owned by the County Highway Agency.