US Bridges

Armstrong RD over Spurlock Hollow

Good

Texas County, Missouri · S 23 T 30 N R 11 W · Structure no. 20652

Built
1984
41 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
52 ft
4 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Armstrong RD over Spurlock Hollow is a concrete continuous slab carrying Armstrong RD over Spurlock Hollow in Texas County, Missouri. It was built in 1984, so it is 41 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 36 by 2044. The structure is 52 ft (15.8 m) long and 16 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesArmstrong RD
CrossesSpurlock Hollow
LocationS 23 T 30 N R 11 W
RouteCounty Highway 268
Coordinates37.2817, -92.1047
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length52 ft (15.8 m)
Longest span13 ft (4 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic36 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$283,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Armstrong RD over Spurlock Hollow built?

It was built in 1984, making it 41 years old in 2025.

What condition is Armstrong RD over Spurlock Hollow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Armstrong RD over Spurlock Hollow carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Armstrong RD over Spurlock Hollow?

The structure is 52 ft (15.8 m) long with a longest span of 13 ft (4 m) and a deck 16 ft wide.

Who owns Armstrong RD over Spurlock Hollow?

It is owned by the County Highway Agency and maintained by the Town or Township Highway Agency.