US Bridges

I-74 WB over Muddy Fork Sand Creek

Fair

Decatur County, Indiana · 00.44 E US 421 · Structure no. 045080

Built
1961
64 years old, rebuilt 2008
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
79 ft
3 main spans
Daily traffic
8,250
2004 count
Owner
State
State Highway Agency

About this bridge

I-74 WB over Muddy Fork Sand Creek is a concrete continuous stringer/multi-beam or girder carrying I-74 WB over Muddy Fork Sand Creek in Decatur County, Indiana. It was built in 1961 and reconstructed in 2008, so it is 64 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 8,250 vehicles a day, roughly 10% of them trucks, projected to reach 16,016 by 2033. The structure is 79 ft (24.1 m) long and 72 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-74 WB
CrossesMuddy Fork Sand Creek
Location00.44 E US 421
RouteInterstate 74
StateIndiana
Coordinates39.36234, -85.50797
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span27 ft (8.1 m)
Deck width72 ft (21.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,250 (2004)
Projected traffic16,016 by 2033
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-74 WB over Muddy Fork Sand Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2008.

What condition is I-74 WB over Muddy Fork Sand 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 March 2024.

How much traffic does I-74 WB over Muddy Fork Sand Creek carry?

About 8,250 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is I-74 WB over Muddy Fork Sand Creek?

The structure is 79 ft (24.1 m) long with a longest span of 27 ft (8.1 m) and a deck 72 ft wide.

Who owns I-74 WB over Muddy Fork Sand Creek?

It is owned by the State Highway Agency.