US Bridges

Hardin Store RD over Cow Branch

Fair

Montgomery County, Texas · 1.6 MI NE of SH 249 · Structure no. 121700AA0852002

Built
1973
52 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
2,570
2015 count
Owner
County
County Highway Agency

About this bridge

Hardin Store RD over Cow Branch is a prestressed concrete box beam or girders - multiple carrying Hardin Store RD over Cow Branch in Montgomery County, Texas. It was built in 1973, so it is 52 years old, older than the Texas average of 44.4 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 2,570 vehicles a day, roughly 2% of them trucks, projected to reach 2,570 by 2035. The structure is 47 ft (14.3 m) long and 25 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesHardin Store RD
CrossesCow Branch
Location1.6 MI NE of SH 249
RouteCounty Highway 0
StateTexas
Coordinates30.15064, -95.63675
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,570 (2015)
Projected traffic2,570 by 2035
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hardin Store RD over Cow Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is Hardin Store RD over Cow Branch 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 Hardin Store RD over Cow Branch carry?

About 2,570 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Hardin Store RD over Cow Branch?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 25 ft wide.

Who owns Hardin Store RD over Cow Branch?

It is owned by the County Highway Agency.