US Bridges

Route H-45 over Indiana Railroad

Fair

Martin County, Indiana · 0.3 KM SW of Rt. H-21A · Structure no. 1IN1847

Built
1936
89 years old, rebuilt 1986
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
2,000
2009 count
Owner
Federal
Navy / Marines

About this bridge

Route H-45 over Indiana Railroad is a steel continuous stringer/multi-beam or girder carrying Route H-45 over Indiana Railroad in Martin County, Indiana. It was built in 1936 and reconstructed in 1986, so it is 89 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 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,500 by 2035. The structure is 157 ft (48 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRoute H-45
CrossesIndiana Railroad
Location0.3 KM SW of Rt. H-21A
CountyMartin County
StateIndiana
Coordinates38.82464, -86.87608
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating24.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length157 ft (48 m)
Longest span53 ft (16.1 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2009)
Projected traffic2,500 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$105,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route H-45 over Indiana Railroad built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1986.

What condition is Route H-45 over Indiana Railroad 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 April 2023.

How much traffic does Route H-45 over Indiana Railroad carry?

About 2,000 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is Route H-45 over Indiana Railroad?

The structure is 157 ft (48 m) long with a longest span of 53 ft (16.1 m) and a deck 28 ft wide.

Who owns Route H-45 over Indiana Railroad?

It is owned by the Navy / Marines.