US Bridges

642 AV-719 / 720 R over Trib Muddy Creek

GoodPosted for load

Richardson County, Nebraska · 75/N62 3E1N (642-719/720) · Structure no. C007432525

Built
1999
26 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

642 AV-719 / 720 R over Trib Muddy Creek is a prestressed concrete tee beam carrying 642 AV-719 / 720 R over Trib Muddy Creek in Richardson 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 75 by 2040. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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Carries642 AV-719 / 720 R
CrossesTrib Muddy Creek
Location75/N62 3E1N (642-719/720)
RouteCounty Highway 3645
CountyRichardson County
StateNebraska
Coordinates40.2481, -95.7845
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating29.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span33 ft (10.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2040
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 642 AV-719 / 720 R over Trib Muddy Creek built?

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

What condition is 642 AV-719 / 720 R over Trib 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 December 2023.

How much traffic does 642 AV-719 / 720 R over Trib Muddy Creek carry?

About 50 vehicles per day (2023 count).

How long is 642 AV-719 / 720 R over Trib Muddy Creek?

The structure is 100 ft (30.5 m) long with a longest span of 33 ft (10.2 m) and a deck 31 ft wide.

Who owns 642 AV-719 / 720 R over Trib Muddy Creek?

It is owned by the County Highway Agency.