US Bridges

135th ST over Branch of Mud Creek

Good

Muscatine County, Iowa · 078E12203 · Structure no. 000000000257931

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
91
2022 count
Owner
County
County Highway Agency

About this bridge

135th ST over Branch of Mud Creek is a concrete continuous culvert carrying 135th ST over Branch of Mud Creek in Muscatine County, Iowa. It was built in 2023, so it is 2 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 91 vehicles a day, projected to reach 91 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries135th ST
CrossesBranch of Mud Creek
Location078E12203
RouteCounty Highway 0
CountyMuscatine County
StateIowa
Coordinates41.54618, -90.84162
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2022)
Projected traffic91 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 135th ST over Branch of Mud Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is 135th ST over Branch of Mud Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does 135th ST over Branch of Mud Creek carry?

About 91 vehicles per day (2022 count).

How long is 135th ST over Branch of Mud Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns 135th ST over Branch of Mud Creek?

It is owned by the County Highway Agency.