US Bridges

Terre Haute RD over I-35

Fair

Decatur County, Iowa · 1.0 Mi. S of Ia 2 · Structure no. 000000000022950

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
316 ft
4 main spans
Daily traffic
60
2022 count
Owner
State
State Highway Agency

About this bridge

Terre Haute RD over I-35 is a steel continuous stringer/multi-beam or girder carrying Terre Haute RD over I-35 in Decatur County, Iowa. It was built in 1970, so it is 55 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 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 60 vehicles a day, roughly 12% of them trucks, projected to reach 60 by 2043. The structure is 316 ft (96.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTerre Haute RD
CrossesI-35
Location1.0 Mi. S of Ia 2
RouteCounty Highway 0
CountyDecatur County
StateIowa
Coordinates40.72506, -93.84402
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span94 ft (28.7 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Terre Haute RD over I-35 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Terre Haute RD over I-35 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 Terre Haute RD over I-35 carry?

About 60 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Terre Haute RD over I-35?

The structure is 316 ft (96.3 m) long with a longest span of 94 ft (28.7 m) and a deck 35 ft wide.

Who owns Terre Haute RD over I-35?

It is owned by the State Highway Agency.