US Bridges

Low Gap Road over Robertson Creek

Fair

Monroe County, Indiana · 04.20 N Anderson RD · Structure no. 5300041

Built
1983
42 years old
Condition
Fair
inspected March 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
49 ft
2 main spans
Daily traffic
250
2014 count
Owner
County
County Highway Agency

About this bridge

Low Gap Road over Robertson Creek is a aluminum, wrought iron, or cast iron culvert carrying Low Gap Road over Robertson Creek in Monroe County, Indiana. It was built in 1983, so it is 42 years old, younger 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 448 by 2034. The structure is 49 ft (14.9 m) long and 21 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesLow Gap Road
CrossesRobertson Creek
Location04.20 N Anderson RD
RouteCounty Highway 0
CountyMonroe County
StateIndiana
Coordinates39.33789, -86.39112
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span23 ft (7 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2014)
Projected traffic448 by 2034
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Low Gap Road over Robertson Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Low Gap Road over Robertson 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 March 2024.

How much traffic does Low Gap Road over Robertson Creek carry?

About 250 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Low Gap Road over Robertson Creek?

The structure is 49 ft (14.9 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.

Who owns Low Gap Road over Robertson Creek?

It is owned by the County Highway Agency.