US Bridges

N45 over Dry Creek

Good

Madison County, Nebraska · 1N Newman Grove · Structure no. S045 00444

Built
1960
65 years old, rebuilt 2011
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
70 ft
3 main spans
Daily traffic
945
2018 count
Owner
State
State Highway Agency

About this bridge

N45 over Dry Creek is a concrete continuous slab carrying N45 over Dry Creek in Madison County, Nebraska. It was built in 1960 and reconstructed in 2011, so it is 65 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 945 vehicles a day, roughly 11% of them trucks, projected to reach 1,181 by 2038. The structure is 70 ft (21.3 m) long and 40 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN45
CrossesDry Creek
Location1N Newman Grove
RouteState Highway 45
CountyMadison County
StateNebraska
Coordinates41.7632, -97.7747
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length70 ft (21.3 m)
Longest span28 ft (8.5 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic945 (2018)
Projected traffic1,181 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 N45 over Dry Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2011.

What condition is N45 over Dry 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 May 2023.

How much traffic does N45 over Dry Creek carry?

About 945 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N45 over Dry Creek?

The structure is 70 ft (21.3 m) long with a longest span of 28 ft (8.5 m) and a deck 40 ft wide.

Who owns N45 over Dry Creek?

It is owned by the State Highway Agency.