US Bridges

Dawson Street over Mud Creek

PoorPosted for load

Custer County, Nebraska · Ansley Old US183 @ N2 · Structure no. M0075A9105

Built
1912
113 years old, rebuilt 1938
Condition
Poor
inspected July 2023
Type
Truss - Thru
Steel
Length
77 ft
1 main span
Daily traffic
50
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dawson Street over Mud Creek is a steel truss - thru carrying Dawson Street over Mud Creek in Custer County, Nebraska. It was built in 1912 and reconstructed in 1938, so it is 113 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 50 vehicles a day, projected to reach 62 by 2033. The structure is 77 ft (23.5 m) long and 15 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesDawson Street
CrossesMud Creek
LocationAnsley Old US183 @ N2
RouteCity Street 0A91
Coordinates41.2849, -99.3864
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating16.5 US tons
Inventory rating9.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length77 ft (23.5 m)
Longest span75 ft (22.9 m)
Deck width15 ft (4.5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2003)
Projected traffic62 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dawson Street over Mud Creek built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1938.

What condition is Dawson Street over Mud 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 July 2023.

How much traffic does Dawson Street over Mud Creek carry?

About 50 vehicles per day (2003 count).

How long is Dawson Street over Mud Creek?

The structure is 77 ft (23.5 m) long with a longest span of 75 ft (22.9 m) and a deck 15 ft wide.

Who owns Dawson Street over Mud Creek?

It is owned by the City or Municipal Highway Agency.