US Bridges

SH 39 over Johnson Creek

Fair

Kerr County, Texas · 0.8 MI W of SH 27 · Structure no. 151330019302011

Built
1966
59 years old, rebuilt 2015
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
280 ft
3 main spans
Daily traffic
7,220
2023 count
Owner
State
State Highway Agency

About this bridge

SH 39 over Johnson Creek is a steel continuous stringer/multi-beam or girder carrying SH 39 over Johnson Creek in Kerr County, Texas. It was built in 1966 and reconstructed in 2015, so it is 59 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 7,220 vehicles a day, roughly 14% of them trucks, projected to reach 5,280 by 2033. The structure is 280 ft (85.3 m) long and 63 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

Open in Google Maps
CarriesSH 39
CrossesJohnson Creek
Location0.8 MI W of SH 27
RouteState Highway 39
CountyKerr County
StateTexas
Coordinates30.07325, -99.24697
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadH 20
Structure length280 ft (85.3 m)
Longest span90 ft (27.4 m)
Deck width63 ft (19.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,220 (2023)
Projected traffic5,280 by 2033
Trucks14%
Lanes on structure3
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 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 39 over Johnson Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2015.

What condition is SH 39 over Johnson Creek 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 2024.

How much traffic does SH 39 over Johnson Creek carry?

About 7,220 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SH 39 over Johnson Creek?

The structure is 280 ft (85.3 m) long with a longest span of 90 ft (27.4 m) and a deck 63 ft wide.

Who owns SH 39 over Johnson Creek?

It is owned by the State Highway Agency.