US Bridges

U RD over Big Blue River

Good

Hamilton County, Nebraska · 4.5E Marquette · Structure no. C004103925

Built
1935
90 years old, rebuilt 2020
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
50
2003 count
Owner
County
County Highway Agency

About this bridge

U RD over Big Blue River is a steel stringer/multi-beam or girder carrying U RD over Big Blue River in Hamilton County, Nebraska. It was built in 1935 and reconstructed in 2020, 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 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 50 vehicles a day, projected to reach 85 by 2033. The structure is 52 ft (15.7 m) long and 23 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesU RD
CrossesBig Blue River
Location4.5E Marquette
RouteCounty Highway 39
Coordinates41.0095, -97.9213
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating58.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (15.7 m)
Longest span50 ft (15.2 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2003)
Projected traffic85 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was U RD over Big Blue River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2020.

What condition is U RD over Big Blue River 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 2023.

How much traffic does U RD over Big Blue River carry?

About 50 vehicles per day (2003 count).

How long is U RD over Big Blue River?

The structure is 52 ft (15.7 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.

Who owns U RD over Big Blue River?

It is owned by the County Highway Agency.