US Bridges

N45 over Dry Creek

Good

Madison County, Nebraska · 3N Newman Grove · Structure no. S045 00552

Built
1960
65 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
760
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, 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 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 760 vehicles a day, roughly 11% of them trucks, projected to reach 988 by 2038. The structure is 82 ft (25 m) long and 33 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN45
CrossesDry Creek
Location3N Newman Grove
RouteState Highway 45
Coordinates41.7787, -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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.3 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length82 ft (25 m)
Longest span33 ft (10.1 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2018)
Projected traffic988 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 proposedWidening with deck rehabilitation or replacement
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.

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

How long is N45 over Dry Creek?

The structure is 82 ft (25 m) long with a longest span of 33 ft (10.1 m) and a deck 33 ft wide.

Who owns N45 over Dry Creek?

It is owned by the State Highway Agency.