US Bridges

US30 over Central Cutoff Ditch

Fair

Dodge County, Nebraska · 3W Ames · Structure no. S030 41681

Built
1928
97 years old, rebuilt 1984
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
2 main spans
Daily traffic
7,790
2018 count
Owner
State
State Highway Agency

About this bridge

US30 over Central Cutoff Ditch is a steel stringer/multi-beam or girder carrying US30 over Central Cutoff Ditch in Dodge County, Nebraska. It was built in 1928 and reconstructed in 1984, so it is 97 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,790 vehicles a day, roughly 12% of them trucks, projected to reach 10,906 by 2038. The structure is 85 ft (25.9 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS30
CrossesCentral Cutoff Ditch
Location3W Ames
RouteU.S. Route 30
Coordinates41.4549, -96.673
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating40.8 US tons
Inventory rating24.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length85 ft (25.9 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,790 (2018)
Projected traffic10,906 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US30 over Central Cutoff Ditch built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1984.

What condition is US30 over Central Cutoff Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does US30 over Central Cutoff Ditch carry?

About 7,790 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is US30 over Central Cutoff Ditch?

The structure is 85 ft (25.9 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns US30 over Central Cutoff Ditch?

It is owned by the State Highway Agency.