US Bridges

SR 18 over Little Pipe Creek

Fair

Miami County, Indiana · 02.78 E SR 19 · Structure no. 004750

Built
1933
92 years old, rebuilt 1990
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
3,287
2018 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Little Pipe Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 18 over Little Pipe Creek in Miami County, Indiana. It was built in 1933 and reconstructed in 1990, so it is 92 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 3,287 vehicles a day, roughly 16% of them trucks, projected to reach 4,752 by 2032. The structure is 39 ft (11.8 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 18
CrossesLittle Pipe Creek
Location02.78 E SR 19
RouteState Highway 18
StateIndiana
Coordinates40.57743, -85.87541
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length39 ft (11.8 m)
Longest span37 ft (11.3 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,287 (2018)
Projected traffic4,752 by 2032
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Little Pipe Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1990.

What condition is SR 18 over Little Pipe 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 August 2023.

How much traffic does SR 18 over Little Pipe Creek carry?

About 3,287 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is SR 18 over Little Pipe Creek?

The structure is 39 ft (11.8 m) long with a longest span of 37 ft (11.3 m) and a deck 48 ft wide.

Who owns SR 18 over Little Pipe Creek?

It is owned by the State Highway Agency.