US Bridges

Ia 130 over Mud Creek

Good

Scott County, Iowa · 0.5 Mi. W of Jct. SR Y40 · Structure no. 000000000047251

Built
1977
48 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
155 ft
3 main spans
Daily traffic
800
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 130 over Mud Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 130 over Mud Creek in Scott County, Iowa. It was built in 1977, so it is 48 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 800 vehicles a day, roughly 19% of them trucks, projected to reach 800 by 2042. The structure is 155 ft (47.2 m) long and 44 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesIa 130
CrossesMud Creek
Location0.5 Mi. W of Jct. SR Y40
RouteState Highway 130
StateIowa
Coordinates41.6737, -90.79167
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.6 US tons
Inventory rating35.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span57 ft (17.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic800 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Ia 130 over Mud Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ia 130 over 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 May 2023.

How much traffic does Ia 130 over Mud Creek carry?

About 800 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Ia 130 over Mud Creek?

The structure is 155 ft (47.2 m) long with a longest span of 57 ft (17.4 m) and a deck 44 ft wide.

Who owns Ia 130 over Mud Creek?

It is owned by the State Highway Agency.