US Bridges

Cornwall ST over Dry Creek

PoorPosted for load

Harlan County, Nebraska · Ejct US136/N46 .1W · Structure no. M188501605P

Built
1924
101 years old
Condition
Poor
inspected June 2023
Type
Girder and Floorbeam System
Steel
Length
59 ft
1 main span
Daily traffic
230
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cornwall ST over Dry Creek is a steel girder and floorbeam system carrying Cornwall ST over Dry Creek in Harlan County, Nebraska. It was built in 1924, so it is 101 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 230 vehicles a day, roughly 10% of them trucks, projected to reach 310 by 2033. The structure is 59 ft (18 m) long and 21 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesCornwall ST
CrossesDry Creek
LocationEjct US136/N46 .1W
RouteCity Street 0P16
Coordinates40.24871, -99.62783
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating9.9 US tons
Inventory rating5.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length59 ft (18 m)
Longest span57 ft (17.4 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2003)
Projected traffic310 by 2033
Trucks10%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cornwall ST over Dry Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is Cornwall ST over Dry Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Cornwall ST over Dry Creek carry?

About 230 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Cornwall ST over Dry Creek?

The structure is 59 ft (18 m) long with a longest span of 57 ft (17.4 m) and a deck 21 ft wide.

Who owns Cornwall ST over Dry Creek?

It is owned by the City or Municipal Highway Agency.