US Bridges

SH 29 over Mulberry Creek

Good

Mason County, Texas · 8.90 MI E of US 87 · Structure no. 141570015001033

Built
1946
79 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
1,671
2020 count
Owner
State
State Highway Agency

About this bridge

SH 29 over Mulberry Creek is a concrete culvert carrying SH 29 over Mulberry Creek in Mason County, Texas. It was built in 1946, so it is 79 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 1,671 vehicles a day, roughly 17% of them trucks, projected to reach 1,630 by 2033. The structure is 24 ft (7.3 m) long and 40 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesSH 29
CrossesMulberry Creek
Location8.90 MI E of US 87
RouteState Highway 29
CountyMason County
StateTexas
Coordinates30.73834, -99.08328
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 inspectionJune 2023
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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width40 ft (12.3 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,671 (2020)
Projected traffic1,630 by 2033
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 29 over Mulberry Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is SH 29 over Mulberry Creek 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 June 2023.

How much traffic does SH 29 over Mulberry Creek carry?

About 1,671 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is SH 29 over Mulberry Creek?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m) and a deck 40 ft wide.

Who owns SH 29 over Mulberry Creek?

It is owned by the State Highway Agency.