US Bridges

N11 over Burwell Sumter Canal

Fair

Garfield County, Nebraska · 2NE Burwell · Structure no. S011 09388

Built
1956
69 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
41 ft
1 main span
Daily traffic
1,065
2018 count
Owner
State
State Highway Agency

About this bridge

N11 over Burwell Sumter Canal is a concrete slab carrying N11 over Burwell Sumter Canal in Garfield County, Nebraska. It was built in 1956, so it is 69 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 5 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 1,065 vehicles a day, roughly 11% of them trucks, projected to reach 1,331 by 2038. The structure is 41 ft (12.5 m) long and 38 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesN11
CrossesBurwell Sumter Canal
Location2NE Burwell
RouteState Highway 11
CountyGarfield County
StateNebraska
Coordinates41.7868, -99.1111
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.6 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,065 (2018)
Projected traffic1,331 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N11 over Burwell Sumter Canal built?

It was built in 1956, making it 69 years old in 2025.

What condition is N11 over Burwell Sumter Canal 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 March 2023.

How much traffic does N11 over Burwell Sumter Canal carry?

About 1,065 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N11 over Burwell Sumter Canal?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns N11 over Burwell Sumter Canal?

It is owned by the State Highway Agency.