US Bridges

SH 29 over Tenmile Ck

Fair

Mason County, Texas · 4.80 MI NW of RM 1222 · Structure no. 141570039602010

Built
1937
88 years old, rebuilt 1964
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
2 main spans
Daily traffic
848
2020 count
Owner
State
State Highway Agency

About this bridge

SH 29 over Tenmile Ck is a steel stringer/multi-beam or girder carrying SH 29 over Tenmile Ck in Mason County, Texas. It was built in 1937 and reconstructed in 1964, so it is 88 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 848 vehicles a day, roughly 11% of them trucks, projected to reach 900 by 2033. The structure is 45 ft (13.7 m) long and 46 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesSH 29
CrossesTenmile Ck
Location4.80 MI NW of RM 1222
RouteState Highway 29
StateTexas
Coordinates30.867, -99.45609
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span23 ft (7 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic848 (2020)
Projected traffic900 by 2033
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Tenmile Ck built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1964.

What condition is SH 29 over Tenmile Ck 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 SH 29 over Tenmile Ck carry?

About 848 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is SH 29 over Tenmile Ck?

The structure is 45 ft (13.7 m) long with a longest span of 23 ft (7 m) and a deck 46 ft wide.

Who owns SH 29 over Tenmile Ck?

It is owned by the State Highway Agency.