US Bridges

SH 29 over French John Creek

Good

Llano County, Texas · 14.4 MI E of SH 16 · Structure no. 141500015004025

Built
1940
85 years old, rebuilt 1963
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
39 ft
5 main spans
Daily traffic
5,276
2020 count
Owner
State
State Highway Agency

About this bridge

SH 29 over French John Creek is a concrete culvert carrying SH 29 over French John Creek in Llano County, Texas. It was built in 1940 and reconstructed in 1963, so it is 85 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 5,276 vehicles a day, roughly 9% of them trucks, projected to reach 4,918 by 2039. The structure is 39 ft (11.9 m) long and 105 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 29
CrossesFrench John Creek
Location14.4 MI E of SH 16
RouteState Highway 29
StateTexas
Coordinates30.73321, -98.46784
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
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 spans5
Design loadH 15
Structure length39 ft (11.9 m)
Longest span6 ft (1.8 m)
Deck width105 ft (31.9 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,276 (2020)
Projected traffic4,918 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 French John Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1963.

What condition is SH 29 over French John 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 May 2023.

How much traffic does SH 29 over French John Creek carry?

About 5,276 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 29 over French John Creek?

The structure is 39 ft (11.9 m) long with a longest span of 6 ft (1.8 m) and a deck 105 ft wide.

Who owns SH 29 over French John Creek?

It is owned by the State Highway Agency.