US Bridges

SH 22 over Rock Branch

Good

Bosque County, Texas · 2.0 MI E of SH 174 · Structure no. 090180012101042

Built
1945
80 years old
Condition
Good
inspected December 2024
Type
Culvert
Masonry
Length
28 ft
3 main spans
Daily traffic
1,503
2023 count
Owner
State
State Highway Agency

About this bridge

SH 22 over Rock Branch is a masonry culvert carrying SH 22 over Rock Branch in Bosque County, Texas. It was built in 1945, so it is 80 years old, older than the Texas average of 44.4 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 1,503 vehicles a day, roughly 15% of them trucks, projected to reach 2,164 by 2042. The structure is 28 ft (8.5 m) long and 40 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesSH 22
CrossesRock Branch
Location2.0 MI E of SH 174
RouteState Highway 22
CountyBosque County
StateTexas
Coordinates31.92439, -97.62031
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width40 ft (12.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,503 (2023)
Projected traffic2,164 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$261,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 22 over Rock Branch built?

It was built in 1945, making it 80 years old in 2025.

What condition is SH 22 over Rock Branch 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 December 2024.

How much traffic does SH 22 over Rock Branch carry?

About 1,503 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SH 22 over Rock Branch?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 40 ft wide.

Who owns SH 22 over Rock Branch?

It is owned by the State Highway Agency.