US Bridges

SR 18 over Spring Creek

Fair

White County, Indiana · 04.32 E SR 43 · Structure no. 004650

Built
1938
87 years old, rebuilt 2015
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
2,282
2021 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Spring Creek is a steel stringer/multi-beam or girder carrying SR 18 over Spring Creek in White County, Indiana. It was built in 1938 and reconstructed in 2015, so it is 87 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 2,282 vehicles a day, roughly 18% of them trucks, projected to reach 5,122 by 2030. The structure is 77 ft (23.4 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 18
CrossesSpring Creek
Location04.32 E SR 43
RouteState Highway 18
StateIndiana
Coordinates40.60082, -86.78618
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating32.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.4 m)
Longest span73 ft (22.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,282 (2021)
Projected traffic5,122 by 2030
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR 18 over Spring Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2015.

What condition is SR 18 over Spring 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 July 2024.

How much traffic does SR 18 over Spring Creek carry?

About 2,282 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is SR 18 over Spring Creek?

The structure is 77 ft (23.4 m) long with a longest span of 73 ft (22.4 m) and a deck 46 ft wide.

Who owns SR 18 over Spring Creek?

It is owned by the State Highway Agency.