US Bridges

Polla Rd. over Tunnel Hollow CR

Fair

Pulaski County, Missouri · S 5 T 35 N R 11 W · Structure no. 33889

Built
2006
19 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
61 ft
3 main spans
Daily traffic
2,400
2023 count
Owner
Federal
Army

About this bridge

Polla Rd. over Tunnel Hollow CR is a concrete culvert carrying Polla Rd. over Tunnel Hollow CR in Pulaski County, Missouri. It was built in 2006, so it is 19 years old, younger than the Missouri average of 45.1 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 2,400 vehicles a day, roughly 10% of them trucks, projected to reach 3,480 by 2044. The structure is 61 ft (18.6 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesPolla Rd.
CrossesTunnel Hollow CR
LocationS 5 T 35 N R 11 W
RouteCounty Highway 0
CountyPulaski County
StateMissouri
Coordinates37.79599, -92.16473
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span19 ft (5.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2023)
Projected traffic3,480 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Polla Rd. over Tunnel Hollow CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Polla Rd. over Tunnel Hollow CR 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 June 2023.

How much traffic does Polla Rd. over Tunnel Hollow CR carry?

About 2,400 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Polla Rd. over Tunnel Hollow CR?

The structure is 61 ft (18.6 m) long with a longest span of 19 ft (5.9 m).

Who owns Polla Rd. over Tunnel Hollow CR?

It is owned by the Army.