US Bridges

Local Sec RD over Mud Creek

Fair

O'Brien County, Iowa · 095413202 · Structure no. 000000000260320

Built
1939
86 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Local Sec RD over Mud Creek is a steel stringer/multi-beam or girder carrying Local Sec RD over Mud Creek in O'Brien County, Iowa. It was built in 1939, so it is 86 years old, older than the Iowa average of 45.5 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 51 ft (15.5 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLocal Sec RD
CrossesMud Creek
Location095413202
RouteCounty Highway 0
CountyO'Brien County
StateIowa
Coordinates43.00443, -95.72271
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.8 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span50 ft (15.2 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$350,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Sec RD over Mud Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is Local Sec RD over Mud Creek 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 July 2023.

How much traffic does Local Sec RD over Mud Creek carry?

About 50 vehicles per day (2022 count).

How long is Local Sec RD over Mud Creek?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 21 ft wide.

Who owns Local Sec RD over Mud Creek?

It is owned by the County Highway Agency.