US Bridges

SR 4 over I-69 Nb/Sb

Fair

Steuben County, Indiana · 05.99 E SR 327 · Structure no. 001500

Built
1963
62 years old, rebuilt 1998
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
4 main spans
Daily traffic
6,214
2021 count
Owner
State
State Highway Agency

About this bridge

SR 4 over I-69 Nb/Sb is a steel continuous stringer/multi-beam or girder carrying SR 4 over I-69 Nb/Sb in Steuben County, Indiana. It was built in 1963 and reconstructed in 1998, so it is 62 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 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 6,214 vehicles a day, roughly 10% of them trucks, projected to reach 12,298 by 2032. The structure is 210 ft (64 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSR 4
CrossesI-69 Nb/Sb
Location05.99 E SR 327
RouteState Highway 4
StateIndiana
Coordinates41.52715, -85.05557
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.1 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length210 ft (64 m)
Longest span66 ft (20 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,214 (2021)
Projected traffic12,298 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 SR 4 over I-69 Nb/Sb built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1998.

What condition is SR 4 over I-69 Nb/Sb 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 August 2024.

How much traffic does SR 4 over I-69 Nb/Sb carry?

About 6,214 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is SR 4 over I-69 Nb/Sb?

The structure is 210 ft (64 m) long with a longest span of 66 ft (20 m) and a deck 39 ft wide.

Who owns SR 4 over I-69 Nb/Sb?

It is owned by the State Highway Agency.